Introduced Plants of the U.S. Click on an accepted name below to view its Plant Profile with all synonyms, distribution map, more information, and web links if available.

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Symbol Scientific Name Common Name ABHO Abies homolepis Sieb. and Zucc. ACAR16 Acalypha arvensis Poepp. AKPE2 Akebia ×pentaphylla (Makino) Makino [quinata × trifoliata] ALBL Allamanda blanchetii A. DC. ALHA2 Alstroemeria haemantha Ruiz & Pavón ALPS Alstroemeria ?psittacina Lehm. ALPU2 Alstroemeria pulchella L. f. ALSC4 Allamanda schottii Pohl ARSO Ardisia solanacea Roxb. ASHA13 Astragalus hamosus L. AUJA Aucuba japonica Thunb. BAAS3 Barringtonia asiatica (L.) Kurz BABL Bauhinia ×blakeana S.T. Dunn [purpurea × variegata] BITE3 Bifora testiculata (L.) Roth BRNI6 Brunfelsia nitida Benth. CABA22 Calycera balsamitifolia A. Rich. CACL7 Caryopteris ×clandonensis hort. ex Rehd. [incana × mongholica] CANI17 Casearia nitida Jacq. CAOR8 Carduus ×orthocephalus Wallr. [acanthoides × nutans] CASC33 Cajanus scarabaeoides (L.) Thouars CEAU8 Celtis australis L. CEDE10 Centaurea depressa Bieb. CEPO8 Centaurea ×pouzinii DC. [aspera × calcitrapa] CHPU9 Chrysothemis pulchella (Donn ex Sims) Dcne. CIPY2 Cirsium pyrenaicum (Jacq.) All. CLJA2 Clematis ×jackmanii T. Moore [lanuginosa × viticella] CLSP13 Clerodendrum ×speciosum Dombrain [splendens × thompsoniae] CODI19 Cotoneaster divaricatus Rehd. & Wilson COER9 Convolvulus erubescens Sims COPU21 Consolida pubescens (DC.) Soó COTE19 Consolida tenuissima (Sibthorp & Sm.) Soó CRVI14 Crotalaria virgulata Klotzsch CTCE Ctenolepis cerasiformis (Stocks) Naud. CYAC7 Cymophora accedens (S.F. Blake) B.L. Turner & Powell CYDA2 Cytisus ×dallimorei Rolfe [multiflorus × scoparius] CYGL9 Cyrtopodium glutiniferum Raddi DIMA24 Diospyros maritima Blume DIRA6 Diodia radula Cham. & Schlect. DISI8 Diplotaxis siifolia Kuntze DOPL Doronicum plantagineum L. DYPL Dysphania plantaginella F.J. Muell. EPCA6 Epidendrum carpophorum B. Rodrigues EPOB2 Epidendrum ×obrienianum Rolfe [evectum × ibaguense] EPRA2 Epidendrum radicans Pavón ex Lindley EPYO Epimedium ×youngianum Fisch. & C.A. Mey. (pro sp.) [diphyllum × grandiflorum] EUHE8 Euphorbia hernariifolia Willd. EUMO5 Eucalyptus ×mortoniana Kinney (pro sp.) [globulus × viminalis] EUSP5 Euchiton sphaericus (Willd.) A. Anderb. EVGL2 Evolvulus glomeratus Nees & Mart. EVGLG Evolvulus glomeratus Nees & Mart. ssp. grandiflorus (Parodi) van Ooststr. FOPH2 Fontanesia phillyreoides Labill. FOPHF Fontanesia phillyreoides Labill. ssp. fortunei (Carr.) Yaltirik FUCA5 Fuirena caerulescens Steud. GAGR11 Gaillardia ×grandiflora Van Houtte [aristata × pulchella] GAPO3 Galium ×pomeranicum Retz. [album × verum] GAVI9 Gagea villosa (Bieb.) Duby GLCO Gladiolus ×colvillei Sweet [cardinalis × tristis] GLDI Glossostigma diandrum (L.) Kunze GLGA2 Gladiolus ×gandavensis hort. [dalenii × oppositiflorus] GLHY Glandularia ×hybrida (Grönland & Rümpler) Nesom & Pruski [peruviana × phlogiflora or platensis] GOMA2 Gomphrena martiana Gill. ex Moq. GRPI4 Graptophyllum pictum (L.) Griffith HAAR4 Harpullia arborea (Blanco) Radlk. HEFR Hebe ×franciscana (Eastw.) Souster [elliptica × speciosa] HEPE8 Helichrysum petiolare Hilliard & Burtt HIAT Hieracium ×atramentarium (Naegeli & Peter) Zahn ex Engl. (pro sp.) [aurantiacum × piloselloides] HIBR3 Hieracium ×brachiatum Berth. ex DC. [pilosella × piloselloides] HIFL2 Hieracium ×flagellare Willd. (pro sp.) [caespitosum × pilosella] HIFL3 Hieracium ×floribundum Wimmer & Grab. (pro sp.) [caespitosum × lactucella] HIFLC Hieracium ×flagellare Willd. (pro sp.) var. cernuiforme (Naegeli & Peter) Lepage (pro nm.) HIFLF Hieracium ×flagellare Willd. (pro sp.) var. flagellare HIFU2 Hieracium ×fuscatrum Naegeli & Peter (pro sp.) [aurantiacum × caespitosum] HOCO3 Houttuynia cordata Thunb. HYAN8 Hypericum androsaemum L. HYPH2 Hypoestes phyllostachya Baker INNO Inga nobilis Willd. IPAS Ipomoea asarifolia (Desr.) Roemer & J.A. Schultes IRFU2 Iris ×fulvala Dykes [brevicaulis × fulva] JUBI3 Juglans ×bixbyi Rehd. [ailanthifolia × cinerea] JUIN3 Juglans ×intermedia Carr. [nigra × regia] JUQU Juglans ×quadrangulata (Carr.) Rehd. (pro sp.) [cinerea × regia] KRPH Krapovickasia physaloides (Presl) Fryxell LESU49 Leucanthemum ×superbum (J.W. Ingram) Berg. ex Kent. [maximum × lacustre] LOHE6 Lonicera ×heckrottii Rehd. [americana × sempervirens] LOMI5 Lonicera ×minutiflora Zabel [morrowii × xylosteoides] LONO Lonicera ×notha Zabel [ruprechtiana × tatarica] LUSP11 Luehea speciosa Willd. MACA26 Malvastrum capense Gray & Harvey MAMA29 Malus ×magdeburgensis Spach [pumila × spectabilis] MERO2 Mentha ×rotundifolia (L.) Huds. (pro sp.) [longifolia × suaveolens] MEVE2 Mentha ?×verticillata L. [aquatica × arvensis] MEVI6 Mentha ×villosa Huds. (pro sp.) [spicata × suaveolens] MOTR2 Moehringia trinervia (L.) Clairv. MUAX2 Muehlenbeckia axillaris (Hook. f.) Walp. NECA7 Neolamarckia cadamba (Roxb.) F. Bosser NISA Nicotiana ×sanderae hort. ex W. Wats. (pro sp.) [alata × forgetiana] NOST3 Nomaphila stricta (Vahl) Nees OCTH Ochna thomasiana Engl. & Gilg ODVU Odontites vulgaris Moench ORCO15 Ornithopus compressus L. OXBO3 Oxalis bowiei Lindl. PASP17 Pachystachys spicata (Ruiz & Pavón) Wasshausen PAST11 Papaver ×strigosum (Boenn.) Schur (pro sp.) [dubium × rhoeas] PEAT7 Petunia ×atkinsiana D. Don ex Loud. [axillaris × integrifolia] PHBO9 Phytolacca bogotensis Kunth PHPR10 Phlox ×procumbens Lehm. (pro sp.) [stolonifera × subulata] PIIN6 Pilea involucrata (Sims) Urban POCU14 Polyscias cumingiana (K. Presl) Fernandez-Villar POHE18 Polygonum herniarioides Delile POLA22 Polygonum lacerum Kunth † POPL9 Polygonum plebeium R. Br. PRSU4 Prunus subhirtella Miq. PSCA16 Pseuderanthemum carruthersii (Seem.) Guillaumin PTEL Ptychosperma elegans (R. Br.) Blume PYCR7 Pyracantha crenulata (D. Don) Roemer RHAR6 Rhamnus arguta Maxim. RHARV Rhamnus arguta Maxim. var. velutina Hand.-Maz. ROHA4 Rosa ×harisonii Rivers [foetida × spinosissima] ROST3 Rorippa ×sterilis Airy-Shaw [microphylla × nasturtium-aquaticum] ROXA2 Rosa xanthina Lindl. RUAC6 Rumex ×acutus L. (pro sp.) [crispus × obtusifolius] RUCH6 Ruellia chartacea (T. Anders.) Wasshausen RUCO7 Rumex ×confusus Simonkai [crispus × patientia] RUDI12 Rumex ×dissimilis Rech. f. (pro sp.) [crispus × orbiculatus] SAEH Salix ×ehrhartiana Sm. (pro sp.) [alba × pentandra] SASU11 Salvia ×superba Stapf [sylvestris × villicaulis] SASY Salvia ×sylvestris L. (pro sp.) [nemorosa × pratensis] SECA20 Selinum carvifolia (L.) L. SEFL4 Senna ×floribunda (Cav.) Irwin & Barneby [multiglandulosa × septentrionalis] SIHA9 Silene ×hampeana Meusel & K. Werner [dioica × latifolia] SIPS2 Silene pseudatocion Desf. SOSU6 Solanum surattense Burm. SOVI8 Solanum villosum (L.) P. Mill. SPPU8 Spergularia purpurea (Pers.) G. Don f. SPTO Spartina ×townsendii H.& J. Groves (pro sp.) [alterniflora × maritima] SPVA2 Spiraea ×vanhouttei (Briot) Carr. [cantoniensis × trilobata] STGR14 Stachytarpheta ×gracilis Danser STIN12 Stephanandra incisa (Thunb.) Zabel STIN3 Stachytarpheta ×intercedens Danser [jamaicensis × urticifolia] STOC6 Stachys ocymastrum (L.) Brig. STTR3 Stachytarpheta ×trimeni Rech. [mutabilis × urticifolia] SYUP Symphytum ×uplandicum Nyman (pro sp.) [asperum × officinale] TATE7 Tamarix tetragyna C. Ehrenb. TEOB Terminalia oblonga (Ruiz & Pavón) Eichler TIGR3 Tibouchina granulosa (Desr.) Cogn. TRCR10 Tragopogon ×crantzii Dichlt. [dubius × pratensis] TRNE7 Tragopogon ×neohybridus Farw. [porrifolius × pratensis] TRRA8 Trigonella ramosa L. URBA3 Urtica ballotifolia Weddell VECA19 Veronica campylopoda Boiss. VEKE2 Verbascum ×kerneri Fritsch [phlomoides × thaspus] VEPT Verbascum ×pterocaulon Franch. [blattaria × thapsus] VESP2 Verbascum ×spurium K. Koch [lychnitis × thapsus] VESU7 Verbena supina L. VIRH3 Viburnum ×rhytidophylloides Sur. [lantana × rhytidophyllum] WIFO2 Wisteria ×formosa Rehd. [floribunda × sinensis] HYCA10 Hypericum calycinum L. Aaron's beard ATVE Atriplex vesicaria Heward ex Benth. aboriginal saltbush EPBI2 Epilobium billardierianum Ser. aboriginal willowherb EPBIC Epilobium billardierianum Ser. ssp. cinereum (A. Rich.) Raven & Engelhorn aboriginal willowherb ARAB3 Artemisia absinthium L. absinthium OPST4 Opizia stolonifera J. Presl Acapulco grass STHO2 Stellaria holostea L. addersmeat VIAN7 Vigna angularis (Willd.) Ohwi & Ohashi adzuki bean ERCH10 Erysimum cheiri (L.) Crantz Aegean wallflower ERPE18 Erysimum perofskianum Fisch. & C.A. Mey. Afghan erysimum AMMU3 Amaranthus muricatus (Gillies ex Moq.) Gillies ex Hicken African amaranth ASAS4 Asparagus asparagoides (L.) Druce African asparagus fern OCGR Ocimum gratissimum L. African basil CYNL80 Cynodon nlemfuensis Vanderyst African Bermudagrass CYNLN Cynodon nlemfuensis Vanderyst var. nlemfuensis African Bermudagrass CYNLR Cynodon nlemfuensis Vanderyst var. robustus W.D. Clayton & Harlan African Bermudagrass SCAF Sclerocarpus africanus Jacq. African bonebract SESP5 Setaria sphacelata (Schumacher) Moss African bristlegrass CHFL9 Chasmanthe floribunda (Salisb.) N.E. Br. African cornflag DIAB Digitaria abyssinica (A. Rich.) Stapf African couchgrass ARST2 Arctotis stoechadifolia Berg. African daisy CONI4 Commelina nigritana Benth. African dayflower CUCA5 Cuscuta cassytoides Nees ex Engelm. African dodder CYTR Cynodon transvaalensis Burtt-Davy African dogstooth grass PEMA80 Pennisetum macrourum Trin. African feathergrass ELCOA Eleusine coracana (L.) Gaertn. ssp. africana (Kennedy & O'Byrne) Hilu & de Wet African finger millet CUME3 Cucumis metuliferus E. Mey. ex Naud. African horned cucumber URMO80 Urochloa mosambicensis (Hack.) Dandy African liverseed grass EREC Eragrostis echinochloidea Stapf African lovegrass MAAF Malcolmia africana (L.) Ait. f. African mustard ELGU Elaeis guineensis Jacq. African oil palm OLEUA Olea europaea L. ssp. africana (P. Mill.) P. Green African olive LEAF Lepidium africanum (Burm. f.) DC. African pepperwort BAGA Bauhinia galpinii N.E. Br. African plume CRVA2 Crypsis vaginiflora (Forsk.) Opiz African pricklegrass CRSA8 Crotalaria saltiana Andr. African rattlebox HIAC3 Hibiscus acetosella Welw. ex Hiern. African rosemallow SEDI8 Senna didymobotrya (Fresen.) Irwin & Barneby African senna PEIN4 Pentzia incana (Thunb.) Kuntze African sheepbush URAR2 Urochloa arrecta (Hack. ex T. Dur. & Schinz) O. Morrone & F. Zuloaga African signalgrass TAAF Tamarix africana Poir. African tamarisk SPCA2 Spathodea campanulata Beauv. African tuliptree DIBU Dioscorea bulbifera L. air yam SEAI80 Sedum aizoon L. Aizoon stonecrop TRCO15 Trachyspermum copticum (L.) Link Ajowan caraway BLSA2 Blighia sapida Koenig akee PIHA7 Pinus halepensis P. Mill. aleppo pine ARAL Archontophoenix alexandrae (F. Muell.) H. Wendl. & Drude Alexandra palm CAIN4 Calophyllum inophyllum L. Alexandrian laurel SEAL5 Senna alexandrina P. Mill. Alexandrian senna MESA Medicago sativa L. alfalfa MESAS Medicago sativa L. ssp. sativa alfalfa CUAP2 Cuscuta approximata Bab. alfalfa dodder SPSA3 Sphaerophysa salsula (Pallas) DC. alkali swainsonpea ALPH Alternanthera philoxeroides (Mart.) Griseb. alligatorweed RALI Radiola linoides Roth allseed PIDI2 Pimenta dioica (L.) Merr. allspice RIAL2 Ribes alpinum L. alpine currant ARUM Artemisia umbelliformis Lam. Alps wormwood ACDI6 Achillea distans Waldst. & Kit. ex Willd. Alps yarrow TRHY Trifolium hybridum L. alsike clover LEAN3 Leymus angustus (Trin.) Pilger Altai wildrye ALOV Alysicarpus ovalifolius (Schumacher) J. Léonard alyce clover ALMI2 Alyssum minus (L.) Rothm. alyssum ALMIM Alyssum minus (L.) Rothm. var. micranthum (C.A. Mey.) Dudley alyssum ALMIS Alyssum minus (L.) Rothm. var. strigosum (Banks & Soland.) Zohary alyssum CAMA37 Carissa macrocarpa (Ecklon) A. DC. amatungulu EUGR7 Eucharis grandiflora Planch. & Linden Amazonlily CEAD2 Cecropia adenopus Mart. ex Miq. Ambay pumpwood SYPO Syngonium podophyllum Schott American evergreen CUAM2 Cullen americana (L.) Rydb. American scurfpea ALPL Alisma plantago-aquatica L. American waterplantain ERAM11 Eryngium amethystinum L. amethyst eryngo PHAM2 Phellodendron amurense Rupr. Amur corktree LOMA6 Lonicera maackii (Rupr.) Herder Amur honeysuckle SYREA Syringa reticulata (Blume) Hara ssp. amurensis (Rupr.) P.S. Greene & M.C. Chang Amur lilac ACGI Acer ginnala Maxim. Amur maple AMBR7 Ampelopsis brevipedunculata (Maxim.) Trautv. Amur peppervine LIAM Ligustrum amurense Carr. Amur privet MISA Miscanthus sacchariflorus (Maxim.) Franch. Amur silvergrass EIAZ2 Eichhornia azurea (Sw.) Kunth anchored water hyacinth BRSU3 Brugmansia suaveolens (Humb. & Bonpl. ex Willd.) Bercht. & K. Presl angel's-tears BRCA12 Brugmansia candida Pers. angel's-trumpet JANI Jasminum nitidum Skan angelwing jasmine LAAN3 Lathyrus angulatus L. angled pea DIAR5 Dichanthium aristatum (Poir.) C.E. Hubbard Angleton bluestem AVST Avena sterilis L. animated oat MYOD Myrrhis odorata (L.) Scop. anise PIAN3 Pimpinella anisum L. anise burnet saxifrage PRAN5 Primula anisodora Balf. f. & G. Forrest anise primrose RARU Rapistrum rugosum (L.) All. annual bastardcabbage RARUR2 Rapistrum rugosum (L.) All. ssp. rugosum annual bastardcabbage POAN Poa annua L. annual bluegrass PHCA5 Phalaris canariensis L. annual canarygrass IBAM Iberis amara L. annual candytuft STAN Stachys annua (L.) L. annual hedgenettle LUAN Lunaria annua L. annual honesty LATR3 Lavatera trimestris L. annual mallow MEAN Mercurialis annua L. annual mercury SAAP Sagina apetala Ard. annual pearlwort POMO5 Polypogon monspeliensis (L.) Desf. annual rabbitsfoot grass AIEL4 Aira elegans Willd. ex Kunth annual silver hairgrass FARE Facelis retusa (Lam.) Schultz-Bip. annual trampweed ANAR7 Anthoxanthum aristatum Boiss. annual vernalgrass DIMU2 Diplotaxis muralis (L.) DC. annual wallrocket ERTR13 Eremopyrum triticeum (Gaertn.) Nevski annual wheatgrass MEIN2 Melilotus indicus (L.) All. annual yellow sweetclover SIAN5 Sida antillensis Urban Antilles fanpetals ALFI9 Alcea ficifolia L. Antwerp hollyhock CAJA3 Cassia javanica L. apple blossom CAJAI Cassia javanica L. var. indochinensis Gagnepain apple blossom PEOD Pelargonium odoratissimum (L.) L'Hér. ex Ait. apple geranium MESU5 Mentha suaveolens Ehrh. apple mint NIPH Nicandra physalodes (L.) Gaertn. apple of Peru ROVI80 Rosa villosa L. apple rose EUBR2 Eucalyptus bridgesiana R. Baker applebox HAPO6 Harrisia pomanensis Weber applecactus PRAR3 Prunus armeniaca L. apricot COAR2 Coffea arabica L. Arabian coffee JASA Jasminum sambac (L.) Ait. Arabian jasmine BIBI4 Bituminaria bituminosa (L.) Stirton Arabian pea SCAR Schismus arabicus Nees Arabian schismus OPLE2 Opuntia leucotricha DC. arborescent pricklypear PAGO4 Papaver gorodkovii Tolm. & Petrovsky arctic poppy OEMO Oenothera mollissima L. Argentine evening-primrose EURE5 Eustachys retusa (Lag.) Kunth Argentine fingergrass LEBO2 Lepidium bonariense L. Argentine pepperweed PRST3 Prosopis strombulifera (Lam.) Benth. Argentine screwbean SECO9 Senna corymbosa (Lam.) Irwin & Barneby Argentine senna LECH Leptochloa chloridiformis (Hack. ex Stuck.) Parodi Argentine sprangletop EUCI80 Eucalyptus cinerea F. Muell. ex Benth. argyle apple MUAR5 Muscari armeniacum Leichtl. ex Baker Armenian grape hyacinth LIMO4 Lithrea molleoides (Vell.) Engl. aroeira blanca DICI2 Dichrostachys cinerea (L.) Wight & Arn. aroma ARXA2 Arracacia xanthorrhiza E.N. Bancroft arracacha PSJA Pseudosasa japonica (Sieb. & Zucc. ex Steud.) Makino ex Nakai arrow bamboo CESA6 Centrosema sagittatum (Willd.) Brandeg. ex Riley arrowleaf butterfly pea TRVE Trifolium vesiculosum Savi arrowleaf clover MAAR3 Maranta arundinacea L. arrowroot STAF2 Stachys affinis Bunge artichoke betony PITR4 Pilea trianthemoides (Sw.) Lindl. artillery plant DAGLA Dactylis glomerata L. ssp. aschersoniana (Graebn.) Thellung Ascherson's orchardgrass POIN10 Potentilla inclinata Vill. ashy cinquefoil ERCI4 Eriocaulon cinereum R. Br. ashy pipewort POFU7 Polypogon fugax Nees Asia Minor bluegrass CEOR Celastrus orbiculata Thunb. Asian bittersweet GMAS Gmelina asiatica L. Asian bushbeech CYAM2 Cyperus amuricus Maxim. Asian flatsedge MYAS2 Myosotis asiatica (Vesterg.) Schischkin & Sergievskaja Asian forget-me-not ABAU Abutilon auritum (Wall. ex Link) Sweet Asian Indian mallow LISE3 Limnophila sessiliflora (Vahl) Blume Asian marshweed SPTR2 Spiraea trilobata L. Asian meadowsweet MECA9 Melastoma candidum D. Don Asian melastome BRTO Brassica tournefortii Gouan Asian mustard CYFO Cyrtomium fortunei J. Sm. Asian netvein hollyfern CLTE3 Clitoria ternatea L. Asian pigeonwings SEPL3 Selaginella plana (Desv. ex Poir.) Hieron. Asian spikemoss KYSQ Kyllinga squamulata Thonn. ex Vahl Asian spikesedge NEMU Nephrolepis multiflora (Roxb.) Jarrett ex Morton Asian swordfern DEHE80 Desmodium heterocarpon (L.) DC. Asian ticktrefoil DEHES Desmodium heterocarpon (L.) DC. var. strigosum van Meeuwen Asian ticktrefoil CLFL Clematis florida Thunb. Asian virginsbower ELAM Elatine ambigua Wight Asian waterwort BEPL2 Betula platyphylla Sukatschev Asian white birch BEPLP Betula platyphylla Sukatschev var. platyphylla Asian white birch COCO3 Commelina communis L. Asiatic dayflower COCOC3 Commelina communis L. var. communis Asiatic dayflower COCOL Commelina communis L. var. ludens (Miq.) C.B. Clarke Asiatic dayflower MUSP Murdannia spirata (L.) Bruckner Asiatic dewflower POPE10 Polygonum perfoliatum L. Asiatic tearthumb STAS2 Striga asiatica (L.) Kuntze Asiatic witchweed COMY Cordia myxa L. Assyrian plum COBO Conyza bonariensis (L.) Cronq. asthmaweed COFL Conyza floribunda Kunth asthmaweed TAAP Tamarix aphylla (L.) Karst. Athel tamarisk HEHI12 Hedera hibernica (Kirchn.) Bean. Atlantic Ivy GEHO5 Geranium homeanum Turcz. Australasian geranium ACAU6 Acalypha australis L. Australian acalypha TEMU2 Terminalia muelleri Benth. Australian almond AMLI2 Amaranthus lineatus R. Br. Australian amaranth PTTR3 Pteris tremula R.Br. Australian brake BRAR3 Bromus arenarius Labill. Australian brome TRAU11 Tragus australianus S.T. Blake Australian burr grass PIUN2 Pittosporum undulatum Vent. Australian cheesewood CHTR Chloris truncata R. Br. Australian fingergrass CYTR3 Cyperus trinervis R. Br. Australian flatsedge ERLE4 Eragrostis leptostachya (R. Br.) Steud. Australian lovegrass ENMA5 Entolasia marginata (R. Br.) Hughes Australian panicgrass TOCI Toona ciliata Roemer Australian redcedar TOCIA Toona ciliata Roemer ssp. ciliata var. australis (F. Muell.) Bahadur Australian redcedar TOCIC Toona ciliata Roemer ssp. ciliata Australian redcedar ATSE Atriplex semibaccata R. Br. Australian saltbush LEDE22 Leptochloa decipiens (R. Br.) Stapf ex Maiden Australian sprangletop ERCY2 Erodium cygnorum Nees Australian stork's bill EUMI Eucalyptus microcorys F. Muell. Australian tallowwood NISU Nicotiana suaveolens Lehm. Australian tobacco COAU3 Cotula australis (Sieber) Hook. f. Australian waterbuttons CHVE Chloris ventricosa R. Br. Australian windmill grass ANAU3 Anthemis austriaca Jacq. Austrian chamomile PINI Pinus nigra Arnold Austrian pine ROAU Rorippa austriaca (Crantz) Bess. Austrian yellowcress COAU4 Colchicum autumnale L. autumn crocus ELUM Elaeagnus umbellata Thunb. autumn olive ELUMP Elaeagnus umbellata Thunb. var. parvifolia (Royle) Schneid. autumn olive ZECA Zephyranthes candida (Lindl.) Herbert autumn zephyrlily CHHI2 Chenopodium hircinum Schrad. avian goosefoot PEAM3 Persea americana P. Mill. avocado SASU5 Sagina subulata (Sw.) K. Presl awl-leaf pearlwort GAAR5 Galium aristatum L. awned bedstraw MYAZ Myosotis azorica H.C. Wats. ex Hook. Azores forget-me-not TAER Tagetes erecta L. Aztec marigold NIRU Nicotiana rustica L. Aztec tobacco† SAMI20 Salvia microphylla Benth. baby sage GYPA Gypsophila paniculata L. babysbreath gypsophila CLTH Clerodendrum thompsoniae Balf. f. bagflower ERBA Eragrostis bahiensis (Schrad. ex J.A. Schultes) J.A. Schultes Bahia lovegrass PANO2 Paspalum notatum Flueggé bahiagrass‡ PANOL3 Paspalum notatum Flueggé var. latiflorum J. Döll bahiagrass PANOS Paspalum notatum Flueggé var. saurae Parodi bahiagrass BRRA2 Bromus racemosus L. bald brome SPCA18 Spermacoce capitata Ruiz & Pavón baldhead false buttonweed† IMBA2 Impatiens balfourii Hook. f. Balfour's touch-me-not SICS Silene csereii Baumg. Balkan catchfly SCPA22 Scabiosa palaestrina L. Balkan pincushions ERDI8 Eryngium divaricatum Hook. & Arn. ballast eryngo LISP5 Linaria spartea (L.) Chaz. ballast toadflax NEPA3 Neslia paniculata (L.) Desv. ballmustard PLGR5 Platycodon grandiflorum (Jacq.) A. DC. balloon flower ASPH2 Asclepias physocarpa (E. Mey.) Schlechter balloonplant MOCH2 Momordica charantia L. balsampear ARGR6 Arundina graminifolia (D. Don) Hochr. bamboo orchid PAMO5 Passiflora mollissima (Kunth) Bailey banana passionflower ACRE9 Acacia redolens Maslin bank catclaw ADDI3 Adansonia digitata L. baobab ALVE2 Aloe vera (L.) Burm. f. Barbados aloe MAEM Malpighia emarginata Sessé & Moc. ex DC. Barbados cherry HIPU Hippeastrum puniceum (Lam.) Kuntze Barbados lily JACU2 Jatropha curcas L. Barbados nut PEAC2 Pereskia aculeata P. Mill. Barbados shrub SEVE5 Setaria verticilliformis Dunart. barbed bristlegrass AETR Aegilops triuncialis L. barbed goatgrass GEJA Gerbera jamesonii Bolus ex Hooker f. Barberton daisy HACY Hainardia cylindrica (Willd.) W. Greuter barbgrass CYRE Cymbopogon refractus (R. Br.) A. Camus barbwire grass SAPA8 Salsola paulsenii Litv. barbwire Russian thistle PAPS12 Panicum psilopodium Trin. barefoot panicgrass TENU Teesdalia nudicaulis (L.) Ait. f. barestem teesdalia VIMO80 Vicia monantha Retz. barn vetch ECCR Echinochloa crus-galli (L.) Beauv. barnyardgrass ANBA3 Anchusa barrelieri (All.) Vitman Barrelier's bugloss SPPI2 Sporobolus piliferus (Trin.) Kunth Barundi dropseed ACAR2 Acinos arvensis (Lam.) Dandy basil thyme AUSA Aurinia saxatilis (L.) Desv. basket of gold SAVI2 Salix viminalis L. basket willow CAFR6 Callisia fragrans (Lindl.) Woods. basketplant VESP6 Veronica spuria L. bastard speedwell TALE2 Tacca leontopetaloides (L.) Kuntze batflower FLIN3 Flacourtia inermis Roxb. batoko plum CATR4 Campanula trachelium L. bats in the belfry SPTR6 Sphagneticola trilobata (L.C. Rich.) Pruski Bay Biscayne creeping-oxeye PAGL9 Pascalia glauca Ortega beach creeping oxeye CAEQ Casuarina equisetifolia L. beach sheoak HYLI8 Hymenocallis littoralis (Jacq.) Salisb. beach spiderlily FRCH Fragaria chiloensis (L.) P. Mill. beach strawberry‡ FRCHL Fragaria chiloensis (L.) P. Mill. ssp. lucida (Vilm.) Staudt beach strawberry CRVE3 Crepis vesicaria L. beaked hawksbeard CRVET Crepis vesicaria L. ssp. taraxacifolia (Thuill.) Thellung beaked hawksbeard MABE2 Mahonia bealei (Fortune) Carr. Beale's barberry ELCA11 Elymus caninus (L.) L. bearded wheatgrass POVI9 Polypogon viridis (Gouan) Breistr. beardless rabbitsfoot grass KOAM80 Kolkwitzia amabilis Graebn. beautybush BARE2 Baltimora recta L. beautyhead KABE Kalanchoe beauverdii Hamlet Beauverd's widow's-thrill ACSP4 Acacia sphaerocephala Schlecht. & Cham. bee wattle PEFR4 Perilla frutescens (L.) Britt. beefsteakplant PEFRC2 Perilla frutescens (L.) Britt. var. crispa (Benth.) Deane beefsteakplant PEFRF2 Perilla frutescens (L.) Britt. var. frutescens beefsteakplant ARTR5 Aristolochia trilobata L. bejuco de santiago CALE28 Casuarina lepidophloia F. Muell. belah XAHE Xanthosoma helleborifolium (Jacq.) Schott belembe silvestre LOBE Lonicera ×bella Zabel [morrowii × tatarica] Bell's honeysuckle ATBE Atropa bella-donna L. belladonna AMBE3 Amaryllis belladonna L. belladonna lily POPA9 Polygonum patulum Bieb. Bellard's smartweed POCA20 Polygonum campanulatum Hook. f. bellflower smartweed ANGU Antigonon guatemalense Meisn. bellisima grande IXCA Ixia campanulata Houtt. belllflower African cornlily JAGO Jatropha gossypiifolia L. bellyache bush‡ JAGOE Jatropha gossypiifolia L. var. elegans (Pohl) Muell.-Arg. bellyache bush THGR3 Thunbergia grandiflora Roxb. Bengal trumpet ERBE11 Eriocaulon benthamii Kunth Bentham's pipewort PENE4 Pennisetum nervosum (Nees) Trin. bentspike fountaingrass PABE4 Panicum bergii Arech. Berg's panicgrass† OXPE Oxalis pes-caprae L. Bermuda buttercup CYDA Cynodon dactylon (L.) Pers. Bermudagrass CRBE8 Crotalaria berteriana DC. Berteron's rattlebox PUSA2 Pulmonaria saccharata P. Mill. Bethlehem lungwort ACNO4 Acaena novae-zelandica Kirk biddy-biddy ARBI2 Artemisia biennis Willd. biennial wormwood‡ ARBIB Artemisia biennis Willd. var. biennis biennial wormwood LIMU6 Liriope muscari (Dcne.) Bailey big blue lilyturf CEFOV2 Cerastium fontanum Baumg. ssp. vulgare (Hartman) Greuter & Burdet big chickweed BRMA Briza maxima L. big quakinggrass LOPE80 Lotus pedunculatus Cav. big trefoil STGR7 Stachys grandiflora (Willd.) Benth. big-sage CEMA9 Centaurea macrocephala Puschk. ex Willd. bighead knapweed SEME6 Setaria megaphylla (Steud.) T. Dur. & Schinz bigleaf bristlegrass PAMA80 Paspalum macrophyllum Kunth bigleaf paspalum VIMA Vinca major L. bigleaf periwinkle ECFR Echinochloa frumentacea Link billion-dollar grass GRBI2 Grewia biloba G. Don bilobed grewia MAGL4 Malus glabrata Rehd. Biltmore crabapple CLOR2 Cleome ?ornithopodioides L. bird spiderflower VICR Vicia cracca L. bird vetch VICRC Vicia cracca L. ssp. cracca bird vetch OCJA Ochna jabotapita L. bird's-eye bush MYPE Myagrum perfoliatum L. bird's-eye cress CAGI Caesalpinia gilliesii (Hook.) Wallich ex D. Dietr. bird-of-paradise shrub UNHA Uncinia hamata (Sw.) Urban birdcatching sedge SAPR Sagina procumbens L. birdeye pearlwort VEPE3 Veronica persica Poir. birdeye speedwell LOCO6 Lotus corniculatus L. birdfoot deervetch ARCL Aristolochia clematitis L. birthwort AEPO Aegopodium podagraria L. bishop's goutweed RUOB Rumex obtusifolius L. bitter dock ZIZE Zingiber zerumbet (L.) Sm. bitter ginger LAVI8 Lactuca virosa L. bitter lettuce CILI2 Citrus limetta Risso bitter orange PISP Picris sprengeriana (L.) Poir. bitterweed PHNI80 Phyllostachys nigra (Lodd.) Munro black bamboo POCO10 Polygonum convolvulus L. black bindweed POCOC2 Polygonum convolvulus L. var. convolvulus black bindweed POCOS Polygonum convolvulus L. var. subulatum Lej. & Court. black bindweed SENI2 Setaria nigrirostris (Nees) T. Dur. & Schinz black bristlegrass NISA2 Nigella sativa L. black cumin ALNI Allium nigrum L. black garlic VIMU7 Vigna mungo (L.) Hepper black gram HENI6 Helleborus niger L. black hellebore HYNI Hyoscyamus niger L. black henbane BANI Ballota nigra L. black horehound BANIA Ballota nigra L. var. alba (L.) Sm. black horehound BANIF2 Ballota nigra L. var. foetida (Hayek) Vis. black horehound BANIN Ballota nigra L. var. nigra black horehound EURA4 Eucalyptus raveretiana F. Muell. black ironbox MELU Medicago lupulina L. black medick MIPI Mimosa pigra L. black mimosa MONI Morus nigra L. black mulberry VENI Verbascum nigrum L. black mullein BRNI Brassica nigra (L.) W.D.J. Koch black mustard SONI Solanum nigrum L. black nightshade JAMI Jacaranda mimosifolia D. Don black poui SCHI2 Scorzonera hispanica L. black salsify ELPA Eleocharis pachycarpa Desv. black sand spikerush ACME80 Acacia mearnsii de Wildeman black wattle BECH Belamcanda chinensis (L.) DC. blackberry lily EUPI Eucalyptus pilularis Sm. blackbutt MEOR2 Medicago orbicularis (L.) Bartalini blackdisk medick VIUN Vigna unguiculata (L.) Walp. blackeyed pea THAL3 Thunbergia alata Bojer ex Sims blackeyed Susan vine EUAM81 Eucalyptus amygdalina Labill. blackpeppermint GLCO3 Glaucium corniculatum (L.) J.H. Rudolph blackspot hornpoppy PRSP Prunus spinosa L. blackthorn ACME Acacia melanoxylon R. Br. ex Ait. f. blackwood SILA21 Silene latifolia Poir. bladder campion SILAA3 Silene latifolia Poir. ssp. alba (P. Mill.) Greuter & Burdet bladder campion COAR6 Colutea arborescens L. bladder senna LASP8 Lamprocapnos spectabilis (L.) Fukuhara bleeding heart SIMA3 Silybum marianum (L.) Gaertn. blessed milkthistle CNBE Cnicus benedictus L. blessed thistle PADU Papaver dubium L. blindeyes ADAN Adonis annua L. blooddrops ASCU Asclepias curassavica L. bloodflower COSA81 Cornus sanguinea L. bloodtwig dogwood HACA2 Haematoxylum campechianum L. bloodwoodtree GESA2 Geranium sanguineum L. bloody geranium OSEC Osteospermum ecklonis (DC.) Norl. blue and white daisybush AJGE Ajuga genevensis L. blue bugle TRCA14 Trigonella caerulea (L.) Ser. blue fenugreek SHAR2 Sherardia arvensis L. blue fieldmadder LIPE2 Linum perenne L. blue flax GAST3 Garnotia stricta Brongn. blue lawngrass CEPL2 Ceratostigma plumbaginoides Bunge blue leadwood PAAN4 Panicum antidotale Retz. blue panicum HOVE Hosta ventricosa (Salisb.) Stearn blue plantain lily LYRA5 Lycianthes rantonnettii (Carriere ex Lescuy.) Bitter blue potatobush SEUN2 Selaginella uncinata (Desv. ex Poir.) Spring blue spikemoss ASAR2 Asperula arvensis L. blue woodruff ERPU18 Eranthemum pulchellum Andr. blue-sage SOHE2 Sollya heterophylla Lindl. bluebell creeper PACA22 Passiflora caerulea L. bluecrown passionflower ECPU2 Echium pustulatum Sibthorp & Sm. bluedevil ATNU Atriplex nummularia Lindl. bluegreen saltbush AGHO3 Ageratum houstonianum P. Mill. bluemink TOFO2 Torenia fournieri Linden ex E. Fourn. bluewings JUSU7 Juncus subnodulosus Schrank bluntflower rush TRSP8 Tradescantia spathacea Sw. boatlily SPBO Spergularia bocconii (Scheele) Foucaud ex Merino Boccone's sandspurry SCMU10 Schoenoplectus mucronatus (L.) Palla bog bulrush IXAC Ixora acuminata Roxb. bola de nieve CUBO Cuscuta boldinghii Urban Boldingh's dodder FUBO Fuchsia boliviana Carr. Bolivian fuchsia PABO7 Panicum boliviense Hack. Bolivian panicgrass CRBO4 Croton bonplandianus Baill. Bonpland's croton LIOB Ligustrum obtusifolium Sieb. & Zucc. border privet SISO2 Silene soczaviana (Schischkin) Bocquet boreal catchfly CEBI3 Cerastium biebersteinii DC. Boreal chickweed PATR6 Parthenocissus tricuspidata (Sieb. & Zucc.) Planch. Boston ivy LASI Lagenaria siceraria (Molina) Standl. bottle gourd ISHY2 Isolepis hystrix (Thunb.) Nees bottlebrush bulrush SAOF4 Saponaria officinalis L. bouncingbet ROBO3 Rosa ×borboniana Desportes (pro sp.) [chinensis × damascena] Bourbon rose SCBO3 Scleria bourgeaui Boeckl. Bourgeau's nutrush CHCA28 Chlorophytum capense (L.) Voss bracketplant SCBR6 Scleria bracteata Cav. bracted nutrush HEBR6 Helichrysum bracteatum (Vent.) Andr. bracted strawflower CEPU3 Centaurium pulchellum (Sw.) Druce branched centaury STDI8 Stachytarpheta dichotoma (Ruiz & Pavón) Vahl branched porterweed SEBR3 Selaginella braunii Baker Braun's spikemoss BEHI2 Begonia hirtella Link Brazilian begonia HYBR5 Hypochaeris brasiliensis (Less.) Griseb. Brazilian catsear SCPA23 Schizolobium parahybum (Vell.) Blake Brazilian firetree ALBR5 Alternanthera brasiliana (L.) Kuntze Brazilian joyweed IPSE3 Ipomoea setosa Ker-Gawl. Brazilian morning-glory SCTE Schinus terebinthifolius Raddi Brazilian peppertree SCTER2 Schinus terebinthifolius Raddi var. raddianus Engl. Brazilian peppertree OPBR2 Opuntia brasiliensis (Willd.) Haw. Brazilian pricklypear IMBR Imperata brasiliensis Trin. Brazilian satintail VEBR2 Verbena brasiliensis Vell. Brazilian vervain BAEG Bacopa egensis (Poepp.) Pennell Brazilian waterhyssop EGDE Egeria densa Planch. Brazilian waterweed RUDE13 Ruellia devosiana hort. Makoy ex E. Murr. Brazilian wild petunia ARAL7 Artocarpus altilis (Parkinson) Fosberg breadfruit BRAL3 Brosimum alicastrum Sw. breadnut POPA10 Poranopsis paniculata (Roxb.) Roberty bridal bouquet SPPR Spiraea prunifolia Sieb. & Zucc. bridalwreath spirea ARDI8 Aruncus dioicus (Walt.) Fern. bride's feathers‡ ARDIV Aruncus dioicus (Walt.) Fern. var. vulgaris (Maxim.) Hara bride's feathers LYFU2 Lychnis fulgens Fisch. ex Sims brilliant campion TOLE2 Torilis leptophylla (L.) Reichenb. f. bristlefruit hedgeparsley ISSE2 Isolepis setacea (L.) R. Br. bristleleaf bulrush ERSE9 Eragrostis setifolia Nees bristleleaf lovegrass SPEC Spergularia echinosperma (Celak.) Aschers. & Graebn. bristleseed sandspurry OXPA3 Oxyspora paniculata (D. Don) DC. bristletips ACHI2 Acalypha hispida Burm. f. bristly copperleaf CYEC Cynosurus echinatus L. bristly dogstail grass LEHI Leontodon hispidus L. bristly hawkbit LEHID Leontodon hispidus L. ssp. danubialis (Jacq.) Simonkai bristly hawkbit LEHIH Leontodon hispidus L. ssp. hispidus bristly hawkbit CRSE2 Crepis setosa Haller f. bristly hawksbeard CLCY2 Cladoraphis cyperoides (Thunb.) S.M. Phillips bristly lovegrass PIEC Picris echioides L. bristly oxtongue PISE4 Piptochaetium setosum (Trin.) Arech. bristly speargrass PURU Puccinellia rupestris (With.) Fern. & Weatherby British alkaligrass PHPA8 Phleum paniculatum Huds. British timothy INBR Inula britannica L. British yellowhead NAMI Najas minor All. brittle waternymph GATE2 Galeopsis tetrahit L. brittlestem hempnettle RUBR Ruellia brittoniana Leonard Britton's wild petunia SAPA31 Sasa palmata (Milford) E.G. Camas broadleaf bamboo POCH Poa chaixii Vill. broadleaf bluegrass CANE25 Canna neglecta Steud. broadleaf canna FIPY2 Filago pyramidata L. broadleaf cottonrose SPOV3 Spermacoce ovalifolia (Mart. & Gal.) Hemsl. broadleaf false buttonweed TULA Turgenia latifolia (L.) Hoffmann broadleaf false carrot MYLA4 Myosotis latifolia Poir. broadleaf forget-me-not PALA28 Parentucellia latifolia (L.) Caruel broadleaf glandweed EPHE Epipactis helleborine (L.) Crantz broadleaf helleborine JUPL Juncus planifolius R. Br. broadleaf rush POHI13 Polygonatum hirsutum (Bosc ex Poir.) Pursh broadleaf Solomon's seal VEAU Veronica austriaca L. broadleaf speedwell VEAUT Veronica austriaca L. ssp. teucrium (L.) D.A. Webb broadleaf speedwell EUPL Euphorbia platyphyllos L. broadleaf spurge ALAM Allium ampeloprasum L. broadleaf wild leek ALAMA Allium ampeloprasum L. var. atroviolaceum (Boiss.) Regel broadleaf wild leek ALAMA2 Allium ampeloprasum L. var. ampeloprasum broadleaf wild leek LELA2 Lepidium latifolium L. broadleaved pepperweed ALSU2 Alchemilla subcrenata Buser broadtooth lady's mantle VUBR Vulpia bromoides (L.) S.F. Gray brome fescue BRSC3 Bromus scoparius L. broom brome NISC2 Nierembergia scoparia Sendtner broom cupflower LESC2 Leptospermum scoparium J.R. & G. Forst. broom teatree PAMI2 Panicum miliaceum L. broomcorn millet PAMIM Panicum miliaceum L. ssp. miliaceum broomcorn millet PAMIR Panicum miliaceum L. ssp. ruderale (Kitagawa) Tzvelev broomcorn millet LIGE Linaria genistifolia (L.) P. Mill. broomleaf toadflax SCMO7 Scoparia montevidensis (Spreng.) R.E. Fries broomwort SCMOG Scoparia montevidensis (Spreng.) R.E. Fries var. glandulifera (Fritsch) R.E. Fries broomwort CYFU3 Cyperus fuscus L. brown flatsedge HICA5 Hibiscus cannabinus L. brown Indianhemp FIDR3 Ficus drupacea Thunb. brown-woolly fig ORRU Oryza rufipogon Griffiths brownbeard rice RUBR2 Rumex brownei Campd. Browne's dock CEJA Centaurea jacea L. brownray knapweed PANI3 Paspalum nicorae Parodi Brunswickgrass ERFU2 Erythrina fusca Lour. bucayo PLCO3 Plantago coronopus L. buckhorn plantain FAES2 Fagopyrum esculentum Moench buckwheat VIBU3 Viburnum buddleifolium C. Wright buddlejaleaf viburnum PECI Pennisetum ciliare (L.) Link buffelgrass PECIC Pennisetum ciliare (L.) Link var. ciliare buffelgrass POBA3 Polygonum baldschuanicum Regel Bukhara fleeceflower WAME Watsonia meriana (L.) P. Mill. bulbil bugle-lily HOBU Hordeum bulbosum L. bulbous barley POBU Poa bulbosa L. bulbous bluegrass PHAQ Phalaris aquatica L. bulbous canarygrass ONTA Onopordum tauricum Willd. bull cottonthistle MANI2 Malva nicaeensis All. bull mallow CIVU Cirsium vulgare (Savi) Ten. bull thistle EUCH4 Euryops chrysanthemoides (DC.) B. Nordenstam bull's eye ACCO5 Acacia cornigera (L.) Willd. bullhorn wattle POBU3 Polygonum bungeanum Turcz. Bunge's smartweed MEPO3 Medicago polymorpha L. burclover TRLA18 Trifolium lappaceum L. burdock clover CAMI36 Caryota mitis Lour. Burmese fishtail palm SEAD Setaria adhaerens (Forsk.) Chiov. burr bristlegrass ANCA14 Anthriscus caucalis Bieb. burr chervil MEMI Medicago minima (L.) L. burr medick FISP3 Fitchia speciosa Cheeseman burrdaisytree THER Thunbergia erecta (Benth.) T. Anders. bush clockvine VISE Vicia sepium L. bush vetch VISEM8 Vicia sepium L. var. montana W.D.J. Koch bush vetch VISES Vicia sepium L. var. sepium bush vetch CAJA7 Cayratia japonica (Thunb.) Gagnepain bushkiller LIVU2 Linaria vulgaris P. Mill. butter and eggs BAPU Bauhinia purpurea L. butterfly tree GYAN Gymnostyles anthemifolia Juss. button burrweed DARA2 Dactyloctenium radulans (R. Br.) Beauv. buttongrass IMWA Impatiens walleriana Hook. f. buzzy lizzy BROL Brassica oleracea L. cabbage ROCE Rosa centifolia L. cabbage rose COAU12 Cordyline australis (G. Forst.) Endl. cabbage tree THCA Theobroma cacao L. cacao MELI7 Melaleuca linariifolia Sm. cajeput tree LAHI2 Lathyrus hirsutus L. Caley pea ALBE Alternanthera bettzichiana (Regel) Voss calicoplant LIOV Ligustrum ovalifolium Hassk. California privet ZAAE Zantedeschia aethiopica (L.) Spreng. calla lily PYCA80 Pyrus calleryana Dcne. Callery pear OLLA2 Oldenlandia lancifolia (Schumacher) DC. calycose mille graines CAJA9 Camellia japonica L. camellia ALMA12 Alhagi maurorum Medik. camelthorn NAOD Narcissus ×odorus L. (pro sp.) [jonquilla × pseudonarcissus] Campernelle jonquil CICA Cinnamomum camphora (L.) J. Presl camphortree POCO Poa compressa L. Canada bluegrass CIAR4 Cirsium arvense (L.) Scop. Canada thistle GECA16 Genista canariensis L. Canary broom PHCA13 Phoenix canariensis hort. ex Chabaud Canary Island date palm GEPA5 Geranium palmatum Cav. Canary Island geranium TACA9 Tamarix canariensis Willd. Canary Island tamarisk HECA37 Hedera canariensis Willd. Canary ivy DEEL2 Delphinium elatum L. candle larkspur PACE8 Parmentiera cereifera Seem. candle tree ERSU80 Eragrostis suaveolens Becker ex Claus candy lovegrass POCA23 Pouteria campechiana (Kunth) Baehni canistel CAGE3 Canna ×generalis Bailey (pro sp.) [glauca × indica] canna lily MYCA3 Myrosma cannifolia L. f. cannaleaf myrosma COGU3 Couroupita guianensis Aubl. cannonball tree CUME Cucumis melo L. cantaloupe CAME20 Campanula medium L. Canterbury bells GLPE3 Gloxinia perennis (L.) Druce Canterbury bells NYCA2 Nymphaea capensis Thunb. Cape Blue waterlily NYCAZ Nymphaea capensis Thunb. var. zanzibariensis (Caspary) Conard Cape Blue waterlily WABO Watsonia borbonica (Pourret) Goldblatt cape bugle-lily ANCA29 Anchusa capensis Thunb. Cape bugloss PIVI5 Pittosporum viridiflorum Sims cape cheesewood TECA8 Tecoma capensis (Thunb.) Lindl. cape honeysuckle GAAN6 Gardenia angusta (L.) Merr. cape jasmine PLAU6 Plumbago auriculata Lam. cape leadwort CATR18 Castalis tragus (Ait.) Norl. cape marigold APDI Aponogeton distachyos L. f. cape pondweed CRMU10 Crassula multicava Lem. Cape Province pygmyweed ACCA34 Achnatherum capense (Thunb.) Beauv. Cape ricegrass DEOD Delairea odorata Lem. capeivy ARCA45 Arctotheca calendula (L.) Levyns capeweed AGPI2 Aglaonema pictum (Roxb.) Kunth cara de caballo CRMI9 Crotalaria micans Link Caracas rattlebox WIUR Wigandia urens (Ruiz & Pavón) Kunth Caracus wigandia WIURC Wigandia urens (Ruiz & Pavón) Kunth var. caracasana (Kunth) D. Gibson Caracus wigandia CACA19 Carum carvi L. caraway CYCA Cynara cardunculus L. cardoon EUCA11 Eustachys caribaea (Spreng.) Herter Caribbean fingergrass TAAU2 Tabebuia aurea (Manso) Benth. & Hook. f. ex S. Moore Caribbean trumpet-tree CAVU3 Carlina vulgaris L. carline thistle CAVUL Carlina vulgaris L. ssp. longifolia Nyman carline thistle DICA26 Dianthus caryophyllus L. carnation GYST Gymnostyles stolonifera (Brot.) Tutin carpet burrweed DIDA Diodia dasycephala Cham. & Schlecht. carretilla CAPL11 Caucalis platycarpos L. carrot burr parsley CUAN4 Cupaniopsis anacardioides (A. Rich.) Radlk. carrotwood PHAM5 Phyllanthus amarus Schumacher carry me seed RABO Ranunculus bonariensis Poir. Carter's buttercup RABOT Ranunculus bonariensis Poir. var. trisepalus (Gillies ex Hook. & Arn.) Lourteig Carter's buttercup SIOD Sicana odorifera (Vell.) Naud. casa banana ANOC Anacardium occidentale L. cashew SESP9 Senna spectabilis (DC.) Irwin & Barneby casia amarilla ZIPU2 Zingiber purpureum Roscoe Cassumunar ginger KASE Kalopanax septemlobus (Thunb. ex A. Murr.) Koidz castor aralia RICO3 Ricinus communis L. castorbean ARCA34 Arthraxon castratus (Griffiths) Naray. ex Bor castrate carpgrass CYRE12 Cymbocarpa refracta Miers cat's milk MAUN3 Macfadyena unguis-cati (L.) A.H. Gentry catclawvine ACPO3 Acacia polyacantha Willd. catechu tree KAPI Kalanchoe pinnata (Lam.) Pers. cathedral bells NECA2 Nepeta cataria L. catnip BOBL Bothriochloa bladhii (Retz.) S.T. Blake Caucasian bluestem NEGR3 Nepeta grandiflora Bieb. Caucasus catmint CATA5 Caulerpa taxifolia (Vahl) C. Ag. caulerpa CAAN4 Capsicum annuum L. cayenne pepper‡ CAANA4 Capsicum annuum L. var. annuum cayenne pepper MAGL5 Manihot glaziovii Muell.-Arg. ceara rubbertree ACEL Acacia elata A. Cunningham ex Benth. cedar wattle CHMA2 Chelidonium majus L. celandine CHMAL Chelidonium majus L. var. laciniatum (P. Mill.) Syme celandine CHMAM Chelidonium majus L. var. majus celandine CHMAP Chelidonium majus L. var. plenum Wehrhahn celandine EROP Eremochloa ophiuroides (Munro) Hack. centipede grass EPPI Epipremnum pinnatum (L.) Engl. centipede tongavine SECE Secale cereale L. cereal rye DICA11 Dianella caerulea Sims cerulean flaxlily DOHE2 Dovyalis hebecarpa (G. Gardn.) Warb. Ceylon gooseberry CYZE Cynoglossum zeylanicum (Vahl) Thunb. ex Lehm. Ceylon hound's tongue BAAL2 Basella alba L. Ceylon spinach CRZE Crinum zeylanicum (L.) L. Ceylon swamplily PHUR Phyllanthus urinaria L. chamber bitter KADE Kalanchoe delagoensis Ecklon & Zeyh. chandelier plant STMU2 Stachytarpheta mutabilis (Jacq.) Vahl changeable velvetberry MYDI Myosotis discolor Pers. changing forget-me-not POCA2 Polemonium caeruleum L. charity SIAR4 Sinapis arvensis L. charlock mustard BRTE Bromus tectorum L. cheatgrass CAEP Calamagrostis epigeios (L.) Roth chee reedgrass CAEPE Calamagrostis epigeios (L.) Roth var. epigeios chee reedgrass CAEPG2 Calamagrostis epigeios (L.) Roth var. georgica (K. Koch) Ledeb. chee reedgrass MAPA5 Malva parviflora L. cheeseweed mallow ANCH4 Annona cheirimola P. Mill. cherimoya ROLA Rosa laevigata Michx. Cherokee rose PRLA5 Prunus laurocerasus L. cherry laurel PRCE2 Prunus cerasifera Ehrh. cherry plum ELMU Elaeagnus multiflora Thunb. cherry silverberry PAPA35 Panicum paludosum Roxb. Chesapeake panicgrass CACA41 Caperonia castaneifolia (L.) St.-Hil. chestnutleaf false croton TECA9 Tecoma castanifolia (D. Don) Melchior chestnutleaf trumpetbush CIAR5 Cicer arietinum L. chick pea SPZE Sphenoclea zeylanica Gaertn. chickenspike POQU2 Portulaca quadrifida L. chickenweed CIIN Cichorium intybus L. chicory PEPR4 Petrorhagia prolifera (L.) P.W. Ball & Heywood childing pink BRBE2 Bromus berterianus Colla Chilean chess OEST Oenothera stricta Ledeb. ex Link Chilean evening-primrose GUTI Gunnera tinctoria (Molina) Mirbel Chilean gunnera CEPA9 Cestrum parqui L'Hér. Chilean jessamine SOGA2 Solanum gayanum (Remy) Phil. f. Chilean nightshade PLFI3 Plantago firma Kunze ex Walp. Chilean plantain POAU3 Polypogon australis Brongn. Chilean rabbitsfoot grass ACCA31 Achnatherum caudatum (Trin.) Barkworth, comb. nov. ined. Chilean ricegrass NACH Nassella chilensis (Trin.) E. Desv. Chilean tussockgrass ELCH Elatine chilensis Gray Chilean waterwort CACH25 Callistephus chinensis (L.) Nees China aster VIPA17 Viola patrinii DC. China violet MEAZ Melia azedarach L. Chinaberrytree PHDA5 Photinia davidiana (Dcne.) Cardot Chinese photinia ALCH2 Albizia chinensis (Osbeck) Merr. Chinese albizia ARCH12 Aralia chinensis L. Chinese angelica tree FITH2 Ficus thonningii Blume Chinese banyan MUEX2 Murraya exotica L. Chinese box SEMO6 Severinia monophylla (L.) Tanaka Chinese boxorange RHUT80 Rhamnus utilis Dcne. Chinese buckthorn CAOV5 Catalpa ovata G. Don Chinese catalpa CAMO83 Castanea mollissima Blume Chinese chestnut ALTU3 Allium tuberosum Rottl. ex Spreng. Chinese chives ODCH Odontosoria chinensis (L.) J. Sm. Chinese creepingfern LYCH Lycium chinense P. Mill. Chinese desert-thorn ULPA Ulmus parvifolia Jacq. Chinese elm CULA Cunninghamia lanceolata (Lamb.) Hook. Chinese fir PYFO Pyracantha fortuneana (Maxim.) Li Chinese firethorn POAU4 Polygonum aubertii Henry Chinese fleecevine DICH2 Dicliptera chinensis (L.) Juss. Chinese foldwing PEAL Pennisetum alopecuroides (L.) Spreng. Chinese fountaingrass BONI2 Boehmeria nivea (L.) Gaud. Chinese grass HOSA2 Holmskioldia sanguinea Retz. Chinese hatplant ILCO80 Ilex cornuta Lindl. & Paxton Chinese holly CYAM3 Cynoglossum amabile Stapf & Drummond Chinese hound's tongue POCH6 Polygonum chinense L. Chinese knotweed LECU Lespedeza cuneata (Dum.-Cours.) G. Don Chinese lespedeza LOCH4 Lobelia chinensis Lour. Chinese lobelia ERUN Eragrostis unioloides (Retz.) Nees ex Steud. Chinese lovegrass MASO9 Magnolia ×soulangiana Soul.-Bod. [denudata × liliifolia] Chinese magnolia ASCH6 Astragalus chinensis L. f. Chinese milkvetch FISI2 Firmiana simplex (L.) W. Wight Chinese parasoltree PYPY2 Pyrus pyrifolia (Burm. f.) Nakai Chinese pear PALA27 Paeonia lactiflora Pallas Chinese peony PICH4 Pistacia chinensis Bunge Chinese pistache LISI Ligustrum sinense Lour. Chinese privet GOCH Gonocarpus chinensis (Lour.) Orchard Chinese raspwort GOCHV Gonocarpus chinensis (Lour.) Orchard ssp. verrucosus (Maiden & Betcke) Orchard Chinese raspwort ROCH Rosa chinensis Jacq. Chinese rose MISI Miscanthus sinensis Anderss. Chinese silvergrass DAQU Datura quercifolia Kunth Chinese thorn-apple ASGA2 Asystasia gangetica (L.) T. Anders. Chinese violet POTO7 Populus tomentosa Carr. Chinese white poplar PTST80 Pterocarya stenoptera C. DC. Chinese wingnut WISI Wisteria sinensis (Sims) DC. Chinese wisteria DIOP Dioscorea oppositifolia L. Chinese yam ROCA8 Rorippa cantoniensis (Lour.) Ohwi Chinese yellowcress PSSI4 Pseudocydonia sinensis (Dum.-Cours.) Schneid. Chinese-quince AKQU Akebia quinata (Houtt.) Dcne. chocolate vine MECO4 Melochia corchorifolia L. chocolateweed LENE Leonotis nepetifolia (L.) Ait. f. Christmas candlestick† THAR2 Themeda arguens (L.) Hack. Christmas grass KALA3 Kalanchoe laciniata (L.) DC. christmastree plant EUMI9 Euphorbia milii Des Moulins christplant CYES Cyperus esculentus L. chufa flatsedge‡ CYESS Cyperus esculentus L. var. sativus Boeckl. chufa flatsedge DIIN6 Dillenia indica L. chulta AGEU Agrimonia eupatoria L. churchsteeples ASCI4 Astragalus cicer L. cicer milkvetch CUIG Cuphea ignea A. DC. cigar flower CIVE2 Cinnamomum verum J. Presl cinnamon ROCI Rosa cinnamomea L. cinnamon rose GEPO Geranium potentilloides L'Hér. ex DC. cinquefoil geranium PSUM Pseudanamomis umbellulifera (Kunth) Kausel ciruelas CIME3 Citrus medica L. citron ZECI Zephyranthes citrina Baker citron zephyrlily CYNA Cymbopogon nardus (L.) Rendle citronella grass CHUR Chenopodium urbicum L. city goosefoot LYVI2 Lychnis viscaria L. clammy campion COOB3 Cordia obliqua Willd. clammy cherry BLVI Blumea viscosa (P. Mill.) Badillo clammy false oxtongue CHPU Chenopodium pumilio R. Br. clammy goosefoot HEAM4 Heliotropium amplexicaule Vahl clasping heliotrope LEPE2 Lepidium perfoliatum L. clasping pepperweed MIPE8 Microthlaspi perfoliatum (L.) F.K. Mey. claspleaf pennycress STAM2 Streptopus amplexifolius (L.) DC. claspleaf twistedstalk‡ STAMP Streptopus amplexifolius (L.) DC. var. papillatus Ohwi claspleaf twistedstalk TIRO Tithonia rotundifolia (P. Mill.) Blake clavel de muerto EPPH Epiphyllum phyllanthus (L.) Haw. climbing cactus EPPHH Epiphyllum phyllanthus (L.) Haw. var. hookeri (Haw.) Kimn. climbing cactus ARHE11 Artabotrys hexapetalus (L. f.) Bhandari climbing ilang-ilang SODU Solanum dulcamara L. climbing nightshade SODUD Solanum dulcamara L. var. dulcamara climbing nightshade SODUV Solanum dulcamara L. var. villosissimum Desv. climbing nightshade LARU Lasiacis ruscifolia (Kunth) A.S. Hitchc. & Chase climbing tribisee FIPU2 Ficus pumila L. climbingfig CRAN5 Crocus angustifolius Weston cloth of gold DICR6 Dichelachne crinata (L. f.) Hook. f. clovenfoot plumegrass LIBI3 Linaria bipartita (Vent.) Willd. clovenlip toadflax CUEP Cuscuta epithymum (L.) L. clover dodder BECU Begonia cucullata Willd. clubed begonia MAVE Malva verticillata L. cluster mallow TRGL4 Trifolium glomeratum L. clustered clover RUCO2 Rumex conglomeratus Murr. clustered dock CYCO3 Cyperus congestus Vahl clustered flatsedge DICA19 Dianthus carthusianorum L. clusterhead AGLI ×Agropogon littoralis (Sm.) C.E. Hubbard [Agrostis stolonifera × Polypogon monospeliensis] coast agropogon ERMI6 Erechtites minima (Poir.) DC. coastal burnweed GAPU80 Galenia pubescens (Ecklon & Zeyh.) Druce coastal galenia LELA12 Leptospermum laevigata (Soland. ex Gaertn.) F. Muell. coastal teatree TRPR5 Tridax procumbens L. coatbuttons OPCO4 Opuntia cochenillifera (L.) P. Mill. cochineal nopal cactus COES Colocasia esculenta (L.) Schott coco yam CONU Cocos nucifera L. coconut palm LABI5 Lasiospermum bipinnatum (Thunb.) Druce cocoonhead EPHI Epilobium hirsutum L. codlins and cream IMCY Imperata cylindrica (L.) Beauv. cogongrass HECO20 Hedera colchica (K. Koch) K. Koch colchis ivy CICO7 Citrullus colocynthis (L.) Schrad. colocynth SCCO10 Schizachyrium condensatum (Kunth) Nees Colombian bluestem CUCA4 Cuphea carthagenensis (Jacq.) J.F. Macbr. Colombian waxweed AGCA5 Agrostis capillaris L. colonial bentgrass TUFA Tussilago farfara L. coltsfoot THAQ Thalictrum aquilegifolium L. columbine meadow-rue SOAL Sorghum almum Parodi Columbus grass CHPE80 Chloris pectinata Benth. comb windmill grass PAAL7 Paspalum almum Chase Comb's crowngrass ASSE12 Asparagus setaceus (Kunth) Jessop common asparagus fern RAPL2 Ranunculus plebeius R. Br. ex DC. common Australian buttercup MEOF2 Melissa officinalis L. common balm BAVU2 Bambusa vulgaris Schrad. ex J.C. Wendl. common bamboo BEVU Berberis vulgaris L. common barberry HOVU Hordeum vulgare L. common barley BEVU2 Beta vulgaris L. common beet ORSA2 Ornithopus sativus Brot. common bird's-foot ORSAI Ornithopus sativus Brot. ssp. isthmocarpus (Coss.) Dostál common bird's-foot ORSAS Ornithopus sativus Brot. ssp. sativus common bird's-foot BOOF Borago officinalis L. common borage BUSE2 Buxus sempervirens L. common box COCO7 Cotula coronopifolia L. common brassbuttons REPI Reichardia picroides (L.) Roth common brighteyes RHCA3 Rhamnus cathartica L. common buckthorn AJRE Ajuga reptans L. common bugle ANOF Anchusa officinalis L. common bugloss SIGA Silene gallica L. common catchfly STME2 Stellaria media (L.) Vill. common chickweed STMEM Stellaria media (L.) Vill. ssp. media common chickweed STMEN Stellaria media (L.) Vill. ssp. neglecta (Weihe) Murb. common chickweed STMEP Stellaria media (L.) Vill. ssp. pallida (Dumort.) Aschers. & Graebn. common chickweed COSC7 Coleus scutellarioides (L.) Benth. common coleus SYOF Symphytum officinale L. common comfrey SPAN5 Spartina anglica C.E. Hubbard common cordgrass AGGI Agrostemma githago L. common corncockle FIVU2 Filago vulgaris Lam. common cottonrose CRVU2 Crupina vulgaris Cass. common crupina TAOF Taraxacum officinale G.H. Weber ex Wiggers common dandelion‡ TAOFO Taraxacum officinale G.H. Weber ex Wiggers ssp. officinale common dandelion TAOFV Taraxacum officinale G.H. Weber ex Wiggers ssp. vulgare (Lam.) Schinz & R. Keller common dandelion ERGA Erucastrum gallicum (Willd.) O.E. Schulz common dogmustard DRVU Dracunculus vulgaris Schott common dracunculus COAV80 Corylus avellana L. common filbert LIUS Linum usitatissimum L. common flax FRCO8 Freesia corymbosa (Burm. f.) N.E. Br. common freesia HYMO6 Hydrocharis morsus-ranae L. common frogbit GOGL Gomphrena globosa L. common globe amaranth SCHI Scolymus hispanicus L. common goldenthistle ULEU Ulex europaeus L. common gorse MUBO Muscari botryoides (L.) P. Mill. common grape hyacinth SCDU2 Sclerochloa dura (L.) Beauv. common hardgrass HILA8 Hieracium lachenalii K.C. Gmel. common hawkweed DADE Danthonia decumbens (L.) DC. common heathgrass STOF2 Stachys officinalis (L.) Trev. common hedgenettle HULU Humulus lupulus L. common hop‡ HULUL2 Humulus lupulus L. var. lupulus common hop SETE5 Sempervivum tectorum L. common houseleek MECR3 Mesembryanthemum crystallinum L. common iceplant ZIZI Ziziphus zizyphus (L.) Karst. common jujube ANVU Anthyllis vulneraria L. common kidneyvetch SYVU Syringa vulgaris L. common lilac TIVU Tilia ×vulgaris Hayne (pro sp.) [cordata × platyphyllos] common linden PUOF Pulmonaria officinalis L. common lungwort MANE Malva neglecta Wallr. common mallow ALOF2 Althaea officinalis L. common marshmallow SCBA Schismus barbatus (Loefl. ex L.) Thellung common Mediterranean grass POVU2 Polygala vulgaris L. common milkwort LECA2 Leonurus cardiaca L. common motherwort CEFO2 Cerastium fontanum Baumg. common mouse-ear chickweed VETH Verbascum thapsus L. common mullein LACO3 Lapsana communis L. common nipplewort AVSA Avena sativa L. common oat PYCO Pyrus communis L. common pear EXRA Exochorda racemosa (Lindl.) Rehd. common pearlbrush PAOF2 Paeonia officinalis L. common peony VIMI2 Vinca minor L. common periwinkle OPMO5 Opuntia monacantha (Willd.) Haw. common pricklypear PECU4 Pericallis cuneata (L'Hér.) Bolle common ragwort ONRE Ononis repens L. common restharrow RUGR3 Ruta graveolens L. common rue HAHA8 Halimodendron halodendron (L. f.) Voss common salttree PAUT Pandanus utilis Bory common screwpine RUAC3 Rumex acetosella L. common sheep sorrel SOOL Sonchus oleraceus L. common sowthistle HYPE Hypericum perforatum L. common St. Johnswort SIOR2 Sigesbeckia orientalis L. common St. Paul's wort ERCI9 Erodium ciconium (L.) L'Hér. ex Ait. common stork's bill TAVU Tanacetum vulgare L. common tansy LEFL3 Leptospermum flavescens Sm. common teatree CULO Curcuma longa L. common turmeric HOLA Holcus lanatus L. common velvetgrass ECVU Echium vulgare L. common vipersbugloss EICR Eichhornia crassipes (Mart.) Solms common water hyacinth TRAE Triticum aestivum L. common wheat SOBIA Sorghum bicolor (L.) Moench ssp. arundinaceum (Desv.) de Wet & Harlan common wild sorghum ARVU Artemisia vulgaris L. common wormwood‡ ARVUV Artemisia vulgaris L. var. vulgaris common wormwood ACMI2 Achillea millefolium L. common yarrow‡ ACMIM2 Achillea millefolium L. var. millefolium common yarrow† BRMA3 Bromus madritensis L. compact brome ALVIC3 Allium vineale L. ssp. compactum (Thuill.) Coss. & Germ. compact onion TRJA Trachelospermum jasminoides (Lindl.) Lem. confederate jasmine CYCO18 Cyathea cooperi (Hook. ex F. Muell.) Domin Cooper's cyathea ACBA Acacia baileyana F. Muell. cootamundra wattle COOF2 Copaifera officinalis (Jacq.) L. copaiba MACR3 Malephora crocea (Jacq.) Schwant. coppery mesemb EUTO11 Eucalyptus torquata Luehm. coral gum ILVE3 Illecebrum verticillatum L. coral necklace ANLE4 Antigonon leptopus Hook. & Arn. coral vine JAMU Jatropha multifida L. coralbush COSA Coriandrum sativum L. coriander QUSU5 Quercus suber L. cork oak SAMA13 Salix matsudana Koidzumi corkscrew willow EUPH5 Euonymus phellomana Loes. ex Diels corktree EUAP5 Euonymus aptera Regel corky spindletree OEPI Oenanthe pimpinelloides L. corkyfruit waterdropwort ZEMA Zea mays L. corn ZEMAM2 Zea mays L. ssp. mays corn ZEMAP Zea mays L. ssp. parviglumis Iltis & Doebley corn BRSQ2 Bromus squarrosus L. corn brome RAAR3 Ranunculus arvensis L. corn buttercup ANAR6 Anthemis arvensis L. corn chamomile BUAR3 Buglossoides arvensis (L.) I.M. Johnston corn gromwell PARH2 Papaver rhoeas L. corn poppy VEAR Veronica arvensis L. corn speedwell SPAR Spergula arvensis L. corn spurry CHSE Chrysanthemum segetum L. corndaisy COMA21 Cornus mas L. Cornelian cherry GLCO2 Gladiolus communis L. cornflag GLCOB Gladiolus communis L. ssp. byzantinus (P. Mill.) A. Hamilton cornflag GLCOC Gladiolus communis L. ssp. communis cornflag ERVA2 Erica vagans L. Cornish heath LACR Lavatera cretica L. Cornish mallow RODU80 Rosa dumetorum Thuill. corymb rose TACO5 Tanacetum corymbosum (L.) Schultz-Bip. corymbflower tansy HYCO17 Hylocereus costaricensis (Weber) Britt. & Rose Costa Rica nightblooming cactus BAMA8 Balsamita major Desf. costmary FIAL4 Ficus altissima Blume council tree PECIS2 Pennisetum ciliare (L.) Link var. setigerum (Vahl) Leeke cow sandbur VAHI2 Vaccaria hispanica (P. Mill.) Rauschert cow soapwort VICRT Vicia cracca L. ssp. tenuifolia (Roth) Gaudin cow vetch STGE2 Striga gesnerioides (Willd.) Vatke cowpea witchweed PRVE2 Primula veris L. cowslip primrose SAFR Salix fragilis L. crack willow COAP3 Cotoneaster apiculatus Rehd. & Wilson cranberry cotoneaster LAIN Lagerstroemia indica L. crapemyrtle ALAD Albizia adinocephala (J.D. Sm.) Britt. & Rose cream albizia HEFL5 Hedychium flavescens Carey ex Roscoe cream garland-lily NATA2 Narcissus tazetta L. cream narcissus SCOC3 Scabiosa ochroleuca L. cream pincushions GYRE Gypsophila repens L. creeping babysbreath RARE3 Ranunculus repens L. creeping buttercup PORE6 Potentilla reptans L. creeping cinquefoil COAD Cotoneaster adpressus Boiss. creeping cotoneaster EUGY2 Euchiton gymnocephalus (DC.) A. Anderb. creeping cudweed LYNU Lysimachia nummularia L. creeping jenny IXST Ixeris stolonifera Gray creeping lettuce LISP8 Liriope spicatum Lour. creeping lilyturf APRE Apium repens (Jacq.) Lag. creeping marshwort ALAR Alopecurus arundinaceus Poir. creeping meadow foxtail CORE4 Coprosma repens A. Rich. creeping mirrorplant SAST6 Saxifraga stolonifera Meerb. creeping saxifrage ACDE5 Acmella decumbens (Sm.) R.K. Jansen creeping spotflower EUKI4 Euonymus kiautschovica Loes. creeping strawberry bush THPRA Thymus praecox Opiz ssp. arcticus (Dur.) Jalas creeping thyme HOMO Holcus mollis L. creeping velvetgrass ROSY Rorippa sylvestris (L.) Bess. creeping yellowcress DECR Deutzia crenata Sieb. & Zucc. crenate pride-of-Rochester GOBA Gossypium barbadense L. Creole cotton SAER4 Sauvagesia erecta L. creole tea CECR2 Celosia cristata L. crested cock's comb CYCR Cynosurus cristatus L. crested dogstail grass GESE3 Gentiana septemfida Pallas crested gentian CHCR6 Chenopodium cristatum (F. Muell.) F. Muell. crested goosefoot ELCI Elsholtzia ciliata (Thunb.) Hyl. crested latesummer mint BACR Barleria cristata L. crested Philippine violet BUER Bunias erucago L. crested wartycabbage AGCR Agropyron cristatum (L.) Gaertn. crested wheatgrass AGCRP8 Agropyron cristatum (L.) Gaertn. ssp. pectinatum (Bieb.) Tzvelev crested wheatgrass PTCR2 Pteris cretica L. Cretan brake PTCRA Pteris cretica L. var. albolineata Hook. Cretan brake PTCRC Pteris cretica L. var. cretica Cretan brake BRCR2 Bryonia cretica L. Cretan bryony BRCRD Bryonia cretica L. ssp. dioica (Jacq.) Tutin Cretan bryony COCR10 Coronilla cretica L. Cretan crownvetch ALCR7 Alopecurus creticus Trin. Cretan meadow foxtail CIINC2 Cistus incanus L. ssp. creticus (L.) Heywood Cretan rockrose ECCR3 Echium creticum L. Cretan vipersbugloss HECR2 Hedypnois cretica (L.) Dum.-Cours. Cretanweed CACI15 Callistemon citrinus (Curtis) Stapf crimson bottlebrush TRIN3 Trifolium incarnatum L. crimson clover PESE3 Pennisetum setaceum (Forsk.) Chiov. crimson fountaingrass LIIN3 Linaria incarnata (Vent.) Spreng. crimson toadflax WEFL Weigela floribunda (Sieb. & Zucc.) K. Koch crimson weigela OXIN Oxalis incarnata L. crimson woodsorrel PAGR8 Passiflora gracilis Jacq. ex Link crinkled passionflower GLIN Glandularia incisa (Hook.) Troncoso crisped mock vervain† AMCR2 Amaranthus crispus (Lesp. & Thev.) N. Terracc. crispleaf amaranth CUMO Cucurbita moschata (Duchesne ex Lam.) Duchesne ex Poir. crookneck squash CHTE2 Chorispora tenella (Pallas) DC. crossflower ERTE4 Erica tetralix L. crossleaf heath TABO Tamonea boxiana (Moldenke) Howard crow broom PITE Pinellia ternata (Thunb.) Makino ex Breitenbach crowdipper MACO7 Matricaria courrantiana DC. crown mayweed CHCO7 Chrysanthemum coronarium L. crowndaisy ERCR6 Erythrina crista-galli L. crybabytree PAAC13 Parmentiera aculeata (Kunth) Seem. cuachilote ZERO Zephyranthes rosea Lindl. Cuban zephyrlily BEPR Beta procumbens L. cultivated beet RIRU80 Ribes rubrum L. cultivated currant CIEN Cichorium endivia L. cultivated endive TRCO7 Trigonella corniculata (L.) L. cultivated fenugreek ALSA2 Allium sativum L. cultivated garlic POPO5 Polygonum polystachyum Wallich ex Meisn. cultivated knotweed GLGL Glycyrrhiza glabra L. cultivated licorice RASA2 Raphanus sativus L. cultivated radish RUCO4 Rubus coronarius (Sims) Sweet cultivated raspberry NITA Nicotiana tabacum L. cultivated tobacco CUCY Cuminum cyminum L. cumin ERCU5 Eragrostis cumingii Steud. Cuming's lovegrass RUCR Rumex crispus L. curly dock RUCRC Rumex crispus L. ssp. crispus curly dock RUCRF Rumex crispus L. ssp. fauriei (Rech. f.) Mosyakin and W.L. Wagner curly dock MACR Malva crispa (L.) L. curly mallow CACR2 Carduus crispus L. curly plumeless thistle POCR3 Potamogeton crispus L. curly pondweed SOPI7 Solanum pimpinellifolium Jusl. currant tomato PAIN Parapholis incurva (L.) C.E. Hubbard curved sicklegrass CETE5 Ceratocephala testiculata (Crantz) Bess. curveseed butterwort EUEP Euphorbia epithymoides L. cushion spurge RULA Rubus laciniatus Willd. cutleaf blackberry ERGL8 Erechtites glomerata (Desf. ex Poir.) DC. cutleaf burnweed BLLA Blumea laciniata (Roxb.) DC. cutleaf false oxtongue TRLA26 Trigonella laciniata L. cutleaf fenugreek GEDI Geranium dissectum L. cutleaf geranium TEBO Teucrium botrys L. cutleaf germander CHMU Chenopodium multifidum L. cutleaf goosefoot MELA5 Medicago laciniata (L.) P. Mill. cutleaf medick PRLA7 Prunella laciniata (L.) L. cutleaf selfheal ERLA18 Erodium laciniatum (Cav.) Willd. cutleaf stork's bill ERLAB Erodium laciniatum (Cav.) Willd. var. bovei (Delile) Murbeck cutleaf stork's bill DILA4 Dipsacus laciniatus L. cutleaf teasel SCLA6 Scorzonera laciniata L. cutleaf vipergrass ACCY2 Acacia cyclops G. Don cyclops acacia ERCY4 Eragrostis cylindriflora Hochst. cylinderflower lovegrass ROIN5 Rosa indica L. cyme rose EUCY2 Euphorbia cyparissias L. cypress spurge IPQU Ipomoea quamoclit L. cypressvine NAPS Narcissus pseudonarcissus L. daffodil MASA5 Mantisalca salmantica (L.) Briq. & Cavillier dagger flower RHDA Rhamnus davurica Pallas Dahurian buckthorn RHDAD2 Rhamnus davurica Pallas ssp. davurica Dahurian buckthorn RHDAN2 Rhamnus davurica Pallas ssp. nipponica (Makino) Kartesz & Gandhi Dahurian buckthorn LEDA3 Lespedeza daurica (Laxm.) Schindl. Dahurian lespedeza PADI3 Paspalum dilatatum Poir. dallisgrass TRDA4 Trifolium dalmaticum Vis. Dalmatian clover LIDA Linaria dalmatica (L.) P. Mill. Dalmatian toadflax LIDAD Linaria dalmatica (L.) P. Mill. ssp. dalmatica Dalmatian toadflax LIDAM Linaria dalmatica (L.) P. Mill. ssp. macedonica (Griseb.) D.A. Sutton Dalmatian toadflax RODA Rosa ×damascena P. Mill. (pro sp.) [gallica × moschata] damask rose HEMA3 Hesperis matronalis L. dames rocket CAGL2 Campanula glomerata L. Dane's blood ERAI3 Eragrostis airoides Nees darnel lovegrass LOTE2 Lolium temulentum L. Darnel ryegrass BEDA Berberis darwinii Hook. Darwin's berberis PHDA4 Phoenix dactylifera L. date palm EUDA5 Euphorbia davidii Subils David's spurge CEDI6 Cestrum diurnum L. day jessamine‡ CEDID Cestrum diurnum L. var. diurnum day jessamine CACA73 Calycophyllum candidissimum (Vahl) DC. degame ADRA Adiantum raddianum K. Presl delta maidenhair APIN Apera interrupta (L.) Beauv. dense silkybent SPDE2 Spartina densiflora Brongn. denseflower cordgrass VEDE4 Verbascum densiflorum Bertol. denseflower mullein CEDE2 Cedrus deodara (Roxb. ex D. Don) G. Don f. Deodar cedar PIDE2 Pilea depressa (Sw.) Blume depressed clearweed DIAR Dianthus armeria L. Deptford pink ALDE Alyssum desertorum Stapf desert madwort ALDED Alyssum desertorum Stapf var. desertorum desert madwort ALDEH Alyssum desertorum Stapf var. himalayensis Dudley desert madwort AGDE2 Agropyron desertorum (Fisch. ex Link) J.A. Schultes desert wheatgrass NIDA Nigella damascena L. devil in the bush KADA Kalanchoe daigremontiana Hamet & Perrier devil's backbone ACAS Achyranthes aspera L. devil's horsewhip ACASA Achyranthes aspera L. var. aspera devil's horsewhip ACASP Achyranthes aspera L. var. pubescens (Moq.) Townsend devil's horsewhip SUPR Succisa pratensis Moench devilsbit ALMA16 Alstonia macrophylla Wallich ex G. Don deviltree ADTR4 Adiantum trapeziforme L. diamond maidenhair SPDI Spergularia diandra (Guss.) Held. & Sart. diandra sandspurry SIDI2 Silene dichotoma Ehrh. dichotoma silene TUGE Tulipa gesneriana L. Didier's tulip ANGR2 Anethum graveolens L. dill ARFO7 Argyranthemum foeniculum (Willd.) Schultz-Bip. dill daisy VEDI2 Veronica dillenii Crantz Dillenius' speedwell MADI6 Matricaria discoidea DC. disc mayweed CADI27 Carex distans L. distant sedge FISC Fimbristylis schoenoides (Retz.) Vahl ditch fimbry POIN7 Polypogon interruptus Kunth ditch rabbitsfoot grass HIMU3 Hibiscus mutabilis L. Dixie rosemallow URRA Urochloa ramosa (L.) Nguyen dixie signalgrass FEKA Festuca kashmiriana Stapf dog fescue SCCA20 Scrophularia canina L. dog figwort SCCAC2 Scrophularia canina L. ssp. canina dog figwort ROCA3 Rosa canina L. dog rose PSSP4 Pseudelephantopus spicatus (Juss. ex Aubl.) C.F. Baker dog's-tongue BUAS Buddleja asiatica Lour. dogtail RULO2 Rumex longifolius DC. dooryard dock GIPE3 Gibasis pellucida (Mart. & Gal.) D.R. Hunt dotted bridalveil LOPU4 Lonchocarpus punctatus Kunth dotted lancepod PSPU2 Psychotria punctata Vatke dotted wild coffee ROMA81 Rosa majalis J. Herrm. double cinnamon rose CEDU2 Cerastium dubium (Bast.) Guépin doubtful chickweed COAJ Consolida ajacis (L.) Schur doubtful knight's-spur SCCO6 Scabiosa columbaria L. dove pincushions GEMO Geranium molle L. dovefoot geranium HEPU4 Helictotrichon pubescens (Huds.) Bess. ex Pilger downy alpineoatgrass BEPU5 Betula pubescens Ehrh. downy birch POIN8 Potentilla intermedia L. downy cinquefoil ORNU Ornithogalum nutans L. drooping star of Bethlehem PHFL80 Phyllostachys flexuosa A.& C. Rivière drooping timber bamboo ELSE4 Elymus semicostatum (Nees ex Steud.) A. Löve drooping wildrye FIVU Filipendula vulgaris Moench dropwort EUST7 Euphrasia stricta D. Wolff ex J.F. Lehm. drug eyebright† FUOF Fumaria officinalis L. drug fumitory FUOFO Fumaria officinalis L. ssp. officinalis drug fumitory FUOFW Fumaria officinalis L. ssp. wirtgenii (W.D.J. Koch) Arcang. drug fumitory CESI2 Cerastium siculum Guss. dry chickweed OTAL Ottelia alismoides (L.) Pers. ducklettuce SEBI3 Sesbania bispinosa (Jacq.) W. Wight dunchi fiber DIAL3 Dioscorea altissima Lam. dunguey CHFU2 Chamaemelum fuscatum (Brot.) Vasc. dusky dogfennel CECI2 Centaurea cineraria L. dusty miller CRVE4 Crocus vernus (L.) Hill dutch crocus EPOX Epiphyllum oxypetalum (DC.) Haw. Dutchman's pipe cactus AGDE4 Agave desmettiana Jacobi dwarf century plant COPU6 Coleus pumilus Blanco dwarf coleus NIHI Nierembergia hippomanica Miers dwarf cupflower NIHIC Nierembergia hippomanica Miers var. caerulea (Miers) Millán dwarf cupflower ZOJA2 Zostera japonica Aschers. & Graebn. dwarf eelgrass SAEB Sambucus ebulus L. dwarf elderberry HESU6 Heliotropium supinum L. dwarf heliotrope LOXY Lonicera xylosteum L. dwarf honeysuckle IRPU2 Iris pumila L. dwarf iris URUR Urtica urens L. dwarf nettle CAAU10 Caragana aurantiaca Koehne dwarf peashrub CAPU32 Carex pumila Thunb. dwarf sedge CHMI Chaenorhinum minus (L.) Lange dwarf snapdragon ACPU Acmella pusilla (Hook. & Arn.) R.K. Jansen dwarf spotflower EUEX3 Euphorbia exigua L. dwarf spurge MAMI13 Marsilea minuta L. dwarf waterclover EPOB3 Epilobium obscurum Schreb. dwarf willowherb OXRA Oxalis radicosa A. Rich. dwarf woodsorrel GETI Genista tinctoria L. Dyer's greenweed SETI2 Serratula tinctoria L. Dyer's plumeless saw-wort ISTI Isatis tinctoria L. Dyer's woad SAAU Salvinia auriculata Aubl. eared watermoss SAAU9 Salix aurita L. eared willow ACAU Acacia auriculiformis A. Cunningham ex Benth. earleaf acacia SOMA3 Solanum mauritianum Scop. earleaf nightshade CRIM4 Crocus imperati Ten. early crocus FOOV80 Forsythia ovata Nakai early forsythia CEFA3 Cestrum fasciculatum (Schlecht.) Miers early jessamine MIMI Mibora minima (L.) Desv. early sandgrass ECOR Echinochloa oryzoides (Ard.) Fritsch early water grass BAVE Barbarea verna (P. Mill.) Aschers. early yellowrocket FUVA Fumaria vaillantii Loisel. earthsmoke TEMY Terminalia myriocarpa van Heurck & Muell.-Arg. East Indian almond SEBA Setaria barbata (Lam.) Kunth East Indian bristlegrass DISE6 Digitaria setigera Roth ex Roemer & J.A. Schultes East Indian crabgrass CHVE6 Christia verspertilionis (L. f.) Bakh. f. East Indian island pea SEDI6 Securidaca diversifolia (L.) Blake Easter flower LILO3 Lilium longiflorum Thunb. Easter lily DIEB2 Diospyros ebenum Koenig ex Retz. ebony BREB Brya ebenus (L.) DC. ebony coccuswood LOER Lobelia erinus L. edging lobelia MUAC Musa acuminata Colla edible banana FICA Ficus carica L. edible fig EUOB4 Euphorbia oblongata Griseb. eggleaf spurge SOME Solanum melongena L. eggplant DAAE Dactyloctenium aegyptium (L.) Willd. Egyptian grass NYCA3 Nymphaea caerulea Savigny Egyptian lotus SESE8 Sesbania sesban (L.) Merr. Egyptian riverhemp PELA19 Pentas lanceolata (Forsk.) Deflers Egyptian starcluster SAEL Salix elaeagnos Scop. Elaeagnus willow ERTE19 Eragrostis tenuifolia (A. Rich.) Hochst. ex Steud. elastic grass PRPO2 Primula ×polyantha P. Mill. (pro sp.) [veris × vulgaris] elatior hybrid primroses INHE Inula helenium L. elecampane inula AREL10 Aristolochia elegans Mast. elegant dutchman's pipe ZIVI2 Zinnia violacea Cav. elegant zinnia ARNE4 Argyreia nervosa (Burm. f.) Bojer elephant creeper PEPU2 Pennisetum purpureum Schumacher elephant grass OCEL Ochrosia elliptica Labill. elliptic yellowwood RUUL Rubus ulmifolius Schott elmleaf blackberry RUULI Rubus ulmifolius Schott var. inermis (Willd.) Focke elmleaf blackberry SPEL Sporobolus elongatus R. Br. elongate dropseed BREL2 Brassica elongata Ehrh. elongated mustard HESP6 Heracleum sphondylium L. eltrot HESPS Heracleum sphondylium L. ssp. sibiricum (L.) Simonkai eltrot PHEM2 Phyllanthus emblica L. emblic CLIN2 Clerodendrum inerme (L.) Gaertn. embrert PACO80 Paspalum coryphaeum Trin. Emperor crowngrass RHST3 Rhagadiolus stellatus (L.) Gaertn. endive daisy HYNO Hyacinthoides nonscripta (L.) Chouard ex Rothm. English bluebell POAN7 Potentilla anglica Laicharding English cinquefoil ULPR Ulmus procera Salisb. English elm ILAQ80 Ilex aquifolium L. English holly HEHE Hedera helix L. English ivy LAAN81 Lavandula angustifolia P. Mill. English lavender QURO2 Quercus robur L. English oak JURE80 Juglans regia L. English walnut TABA80 Taxus baccata L. English yew AEIN5 Aegiphila integrifolia (Jacq.) Jacq. entireleaf spiritweed† BRER3 Bromus erectus Huds. erect brome POER81 Potentilla erecta (L.) Raeusch. erect cinquefoil TOJA Torilis japonica (Houtt.) DC. erect hedgeparsley HAER2 Haloragis erecta (Banks ex Murr.) Oken erect seaberry CHPR7 Chamaecystis prolifera (L. f.) Link escabon CYAE2 Cynodon aethiopicus W.D. Clayton & Harlan Ethiopian dogstooth grass CRBR8 Crotalaria brevidens Benth. Ethiopian rattlebox CRBRB Crotalaria brevidens Benth. var. brevidens Ethiopian rattlebox CRBRI Crotalaria brevidens Benth. var. intermedia (Kotschy) Polhill Ethiopian rattlebox LOET Lonicera etrusca Santi Etruscan honeysuckle SINU2 Silene nutans L. Eurasian catchfly PAEC2 Paronychia echinulata Chater Eurasian nailwort THPA11 Thymus pannonicus All. Eurasian thyme SASC2 Salvia sclarea L. Europe sage ALGL2 Alnus glutinosa (L.) Gaertn. European alder FREX80 Fraxinus excelsior L. European ash POTR10 Populus tremula L. European aspen AMAR4 Ammophila arenaria (L.) Link European beachgrass GARU Galium rubioides L. European bedstraw FASY Fagus sylvatica L. European beech CABO8 Campanula bononiensis L. European bellflower PRPA5 Prunus padus L. European bird cherry RINI Ribes nigrum L. European black currant SANI4 Sambucus nigra L. European black elderberry‡ SANIN2 Sambucus nigra L. ssp. nigra European black elderberry RUVE Rubus vestitus Weihe & Nees European blackberry CEER5 Centaurium erythraea Rafn European centaury CASA27 Castanea sativa P. Mill. European chestnut CEPU4 Cerastium pumilum W. Curtis European chickweed AQVU Aquilegia vulgaris L. European columbine VACA4 Valerianella carinata Loisel. European cornsalad MASY2 Malus sylvestris P. Mill. European crabapple VIOP Viburnum opulus L. European cranberrybush‡ VIOPO Viburnum opulus L. var. opulus European cranberrybush RUCA Rubus caesius L. European dewberry PRFR2 Prunus fruticosa Pallas European dwarf cherry VIAR Viola arvensis Murr. European field pansy TUGU Tuberaria guttata (L.) Fourr. European frostweed RIUV80 Ribes uva-crispa L. European gooseberry RIUVS Ribes uva-crispa L. var. sativum DC. European gooseberry HEEU Heliotropium europaeum L. European heliotrope LOPE4 Lonicera periclymenum L. European honeysuckle CABE8 Carpinus betulus L. European hornbeam POAR10 Polygonum arenarium Waldst. & Kit. European knotweed LADE2 Larix decidua P. Mill. European larch COMA7 Convallaria majalis L. European lily of the valley APNO Apium nodiflorum (L.) Lag. European marshwort JUIN Juncus inflexus L. European meadow rush SOAU Sorbus aucuparia L. European mountain ash OLEUE Olea europaea L. ssp. europaea European olive PRDO Prunus domestica L. European plum PRDOD Prunus domestica L. var. domestica European plum PRDOI Prunus domestica L. var. insititia (L.) Fiori & Paoletti European plum LIVU Ligustrum vulgare L. European privet FRPU4 Frankenia pulverulenta L. European seaheath CAMA Cakile maritima Scop. European searocket COCO10 Cotinus coggygria Scop. European smoketree VEBE Veronica beccabunga L. European speedwell EUEU4 Euonymus europaea L. European spindletree LASQ Lappula squarrosa (Retz.) Dumort. European stickseed SEOC Sedum ochroleucum Chaix European stonecrop LIOF Lithospermum officinale L. European stoneseed CYRO8 Cynanchum rossicum (Kleopov) Barbarich European swallow-wort MENE Melilotus neapolitanus Ten. European sweetclover ANNE4 Anemone nemorosa L. European thimbleweed QUCE Quercus cerris L. European turkey oak TOBA Tolpis barbata (L.) Gaertn. European umbrella milkwort LESP2 Legousia speculum-veneris (L.) Fisch. ex A. DC. European Venus' looking glass VIDI Vicia ?disperma DC. European vetch ERHI8 Erysimum hieraciifolium L. European wallflower LYVI3 Lythrum virgatum L. European wand loosestrife MAQU Marsilea quadrifolia L. European waterclover BEPE3 Betula pendula Roth European white birch CASY3 Carex sylvatica Huds. European woodland sedge LULU80 Lupinus luteus L. European yellow lupine RHAL6 Rhinanthus alectorolophus (Scop.) Pollich European yellowrattle GLTR2 Gladiolus tristis L. ever-flowering gladiolus PESE10 Pentaglottis sempervirens (L.) Tausch ex Bailey evergreen bugloss IBSE Iberis sempervirens L. evergreen candytuft CLVI6 Clematis vitalba L. evergreen clematis PHKA4 Philadelphus karwinskianus Koehne evergreen mock orange ROSE3 Rosa sempervirens L. evergreen rose HELA12 Heliconia latispatha Benth. expanded lobsterclaw GAFA5 Garrya fadyenia Hook. Fadyen's silktassel† LICA9 Linum catharticum L. fairy flax LEAU2 Leontodon autumnalis L. fall dandelion LEAUA Leontodon autumnalis L. ssp. autumnalis fall dandelion LEAUP2 Leontodon autumnalis L. ssp. pratensis (Link) Arcang. fall dandelion GAMO Galium mollugo L. false baby's breath SCTR2 Schlumbergera truncata (Haw.) Moran false Christmas cactus IOAC2 Ionopsidium acaule (Desf.) Reichenb. false diamondflower FRLA5 Freesia laxa (Thunb.) Goldblatt & J.C. Manning false freesia CUHY Cuphea hyssopifolia Kunth false heather RUGE Rubus geniculatus Kaltenb. false Himalayan berry LEHO7 Lepyrodiclis holosteoides (C.A. Mey.) Fenzl ex Fisch. & C.A. Mey. false jagged-ckickweed SOCA2 Solanum capsicastrum Link ex Schauer false Jerusalem cherry TRMA17 Tripleurospermum maritima (L.) W.D.J. Koch false mayweed‡ TRMAM Tripleurospermum maritima (L.) W.D.J. Koch ssp. maritima false mayweed ORCA6 Ornithogalum caudatum Ait. false seaonion SEMU5 Senna multijuga (L.C. Rich.) Irwin & Barneby false sicklepod AGDE3 Agave decipiens Baker false sisal RETI Reichardia tingitana (L.) Roth false sowthistle SOSO2 Sorbaria sorbifolia (L.) A. Braun false spiraea COGY Codariocalyx gyroides (Roxb. ex Link) Hassk. false tick trefoil ANEC Andrographis echioides (L.) Nees false waterwillow GEDI5 Geranium divaricatum Ehrh. fanleaf geranium EUJA6 Euchiton japonicus (Thunb.) A. Anderb. father-and-child plant MUTR2 Musa troglodytarum L. fe'i banana CETR12 Centaurea trichocephala Bieb. ex Willd. feather-head knapweed DIPL Dianthus plumarius L. feathered pink LEPI Lepidium pinnatifidum Ledeb. featherleaf pepperweed PEVI2 Pennisetum villosum R. Br. ex Fresen. feathertop IPOC2 Ipomoea ochracea (Lindl.) G. Don fence morning-glory‡ IPOCO Ipomoea ochracea (Lindl.) G. Don var. ochracea fence morning-glory DERI5 Desmazeria rigida (L.) Tutin ferngrass ACFI Achillea filipendulina Lam. fernleaf yarrow CLTRF Clerodendrum trichotomum Thunb. var. ferrugineum Nakai ferruginous clerodendrum PAFO2 Passiflora foetida L. fetid passionflower‡ TAPA6 Tanacetum parthenium (L.) Schultz-Bip. feverfew RUPU3 Rumex pulcher L. fiddle dock FILY Ficus lyrata Warb. fiddleleaf fig COAR4 Convolvulus arvensis L. field bindweed BRAR5 Bromus arvensis L. field brome SOSE2 Soliva sessilis Ruiz & Pavón field burrweed TRCA5 Trifolium campestre Schreb. field clover LOAR5 Logfia arvensis (L.) Holub field cottonrose RUPS Rumex pseudonatronatus Borbás field dock ERCA19 Eryngium campestre L. field eryngo FEAR4 Festuca arvernensis Auquier, Kerguélen & Markgr.-Dannenb. field fescue MYAR Myosotis arvensis (L.) Hill field forget-me-not ALOL Allium oleraceum L. field garlic CAAR21 Castilleja arvensis Cham. & Schlecht. field Indian paintbrush CAAR Calendula arvensis L. field marigold BRRA Brassica rapa L. field mustard BRRAA Brassica rapa L. var. amplexicaulis Tanaka & Ono field mustard BRRAR Brassica rapa L. var. rapa field mustard APAR2 Aphanes arvensis L. field parsley piert THAR5 Thlaspi arvense L. field pennycress LECA5 Lepidium campestre (L.) Ait. f. field pepperweed CUPE Cucurbita pepo L. field pumpkin‡ CUPEP Cucurbita pepo L. var. pepo field pumpkin ONAR Ononis arvensis L. field restharrow KNAR Knautia arvensis (L.) Coult. field scabiosa SOAR2 Sonchus arvensis L. field sowthistle SOARA2 Sonchus arvensis L. ssp. arvensis field sowthistle RAFI Ranunculus ficaria L. fig buttercup RAFIB Ranunculus ficaria L. var. bulbifera Marsden-Jones fig buttercup CHFI4 Chenopodium ficifolium Sm. figleaf goosefoot FUPA Fumaria parviflora Lam. fineleaf fumitory FEFI Festuca filiformis Pourret fineleaf sheep fescue OEAQ Oenanthe aquatica (L.) Poir. fineleaf waterdropwort ELCO3 Eleusine coracana (L.) Gaertn. finger millet VETR Veronica triphyllos L. finger speedwell LEDI28 Leptochloa digitata (R. Br.) Domin finger sprangletop ODTU Odontonema tubiforme (Bertol.) Kuntze firespike MOFA Morella faya (Ait.) Wilbur firetree TEPU Tephrosia purpurea (L.) Pers. fishpoison NEFA Nephrolepis falcata (Cav.) C. Christens. fishtail swordfern FIQU Fimbristylis quinquangularis (Vahl) Kunth fiveangle fimbry SYAN Syngonium angustatum Schott fivefingers BAHY Bassia hyssopifolia (Pallas) Kuntz fivehorn smotherweed DIPE2 Dioscorea pentaphylla L. fiveleaf yam CESE4 Cerastium semidecandrum L. fivestamen chickweed TACH2 Tamarix chinensis Lour. fivestamen tamarisk GLSU2 Gloriosa superba L. flame lily EPCU2 Episcia cupreata (Hook.) Hanst. flame violet KOEL Koelreuteria elegans (Seem.) A.C. Sm. flamegold KOELF Koelreuteria elegans (Seem.) A.C. Sm. ssp. formosana (Hayata) F.G. Mey. flamegold PYVE2 Pyrostegia venusta (Ker-Gawl.) Miers flamevine LASY Lathyrus sylvestris L. flat pea CUEP2 Cuscuta epilinum Weihe flax dodder THLI3 Thesium linophyllon L. flaxleaf SILI6 Sida linifolia Cav. flaxleaf fanpetals ANMO2 Anagallis monelli L. flaxleaf pimpernel SANA5 Salvinia natans (L.) All. floating watermoss CEPU5 Centrosema pubescens Benth. flor de conchitas SEAT3 Senna atomaria (L.) Irwin & Barneby flor de San Jose PEPH2 Pentapetes phoenicea L. flor impia ARMA9 Aristolochia maxima Jacq. Florida dutchman's pipe EMFO Emilia fosbergii D.H. Nicols. Florida tasselflower DEGR9 Dendranthema ×grandiflorum Kitam. [indicum × japonicum] florist's daisy ASJA2 Astilbe japonica (Morr. & Dcne.) Gray florist's spiraea GLPA4 Glycosmis parviflora (Sims) Little flower axistree HITR Hibiscus trionum L. flower of an hour PRGL80 Prunus glandulosa Thunb. flowering almond LIGR4 Linum grandiflorum Desf. flowering flax PRTR3 Prunus triloba Lindl. flowering plum CHSP12 Chaenomeles speciosa (Sweet) Nakai flowering quince BUUM Butomus umbellatus L. flowering rush LOXY2 Lonicera ×xylosteoides Tausch [tatarica × xylosteum] fly honeysuckle IVCH Iva cheiranthifolia Kunth fly marshelder PHAN9 Phyllanthus angustifolius (Sw.) Sw. foliage flower AECY2 Aethusa cynapium L. fool's parsley BIPY Billbergia pyramidalis (Sims) Lindl. foolproofplant JUCY Juncus cyperoides Laharpe Forbestown rush EUTE Eucalyptus tereticornis Sm. forest redgum CEDI5 Cerastium dichotomum L. forked chickweed CAFU13 Cabomba furcata J.A. & J.H. Schultes forked fanwort SUFU3 Solanum furcatum Dunal ex Poir. forked nightshade PYKO Pyracantha koidzumii (Hayata) Rehd. Formosa firethorn LIFO2 Lilium formosanum A. Wallace Formosa lily SPJAF Spiraea japonica L. f. var. fortunei (Planch.) Rehd. fortune meadowsweet BUAL Buddleja alternifolia Maxim. fountain butterflybush LICH3 Livistona chinensis (Jacq.) R. Br. ex Mart. fountain palm RUEQ Russelia equisetiformis Schlecht. & Cham. fountainbush POTE Polycarpon tetraphyllum (L.) L. fourleaf manyseed POTEA Polycarpon tetraphyllum (L.) L. ssp. alsinifolium (Biv.) P.W. Ball fourleaf manyseed POTET2 Polycarpon tetraphyllum (L.) L. ssp. tetraphyllum fourleaf manyseed CEDI7 Cerastium diffusum Pers. fourstamen chickweed SEIT Setaria italica (L.) Beauv. foxtail bristlegrass CYAL6 Cyperus alopecuroides Rottb. foxtail flatsedge CRAL2 Crypsis alopecuroides (Piller & Mitterp.) Schrad. foxtail pricklegrass GAFR6 Gaudinia fragilis (L.) Beauv. fragile oat WAMA2 Watsonia marginata (L. f.) Ker-Gawl. fragrant bugle-lily DRFR2 Dracaena fragrans (L.) Ker-Gawl. fragrant dracaena AROD Aristolochia odoratissima L. fragrant dutchman's pipe NOBO Nothoscordum borbonicum Kunth fragrant false garlic CODI18 Cordia dichotoma G. Forst. fragrant manjack GYCO Gymnadenia conopsea (L.) R. Br. ex Ait. f. fragrant orchid DIFR5 Dianthus fragrans M.F. Adams fragrant pink HOPL2 Hosta plantaginea (Lam.) Aschers. fragrant plantain lily PROD Premna odorata Blanco fragrant premna SPFR2 Sparaxis fragrans (Jacq.) Ker-Gawl. fragrant wandflower SPFRG Sparaxis fragrans (Jacq.) Ker-Gawl. ssp. grandiflora (D. Delar.) Goldbl. fragrant wandflower GEMO2 Genista monspessulana (L.) L. Johnson French broom LITR4 Linum trigynum L. French flax TAPA Tagetes patula L. French marigold MUPA3 Musa ×paradisiaca L. (pro sp.) [acuminata × balbisiana] French plantain ROGA Rosa gallica L. French rose ROGAG Rosa gallica L. var. gallica French rose ROGAO Rosa gallica L. var. officinalis Thory French rose TAGA Tamarix gallica L. French tamarisk ERCI10 Eremochloa ciliaris (L.) Merr. fringed centipede grass CUSU Cuscuta suaveolens Ser. fringed dodder SPFI6 Sporobolus fimbriatus (Trin.) Nees fringed dropseed LICI4 Lindernia ciliata (Colsmann) Pennell fringed false pimpernel VUCI Vulpia ciliata Link fringed fescue HISC3 Hibiscus schizopetalus (Dyer) Hook. f. fringed rosemallow RUCH4 Ruta chalepensis L. fringed rue CLRU3 Cleome rutidosperma DC. fringed spiderflower ATLA Atriplex laciniata L. frosted orache BEFO Begonia foliosa Kunth fuchsia begonia BEFOM Begonia foliosa Kunth var. miniata (Planch.) L.B. Sm. & Schub. fuchsia begonia DIFU2 Dipsacus fullonum L. Fuller's teasel DIFUF4 Dipsacus fullonum L. ssp. fullonum Fuller's teasel DIFUS2 Dipsacus fullonum L. ssp. sylvestris (Huds.) Clapham Fuller's teasel CYPI Cyperus pilosus Vahl fuzzy flatsedge PHTO7 Philadelphus tomentosus Royle fuzzy mock orange DESC4 Deutzia scabra Thunb. fuzzy pride-of-Rochester GAPA2 Galinsoga parviflora Cav. gallant-soldier CONIG Commelina nigritana Benth. var. gambiae (C.B. Clarke) Brenan Gambian dayflower ARRI3 Aristolochia ringens Vahl gaping dutchman's pipe ASOF Asparagus officinalis L. garden asparagus GYSC Gypsophila scorzonerifolia Ser. garden babysbreath ANCE Anthriscus cerefolium (L.) Hoffmann garden chervil CECY2 Centaurea cyanus L. garden cornflower COBI2 Cosmos bipinnatus Cav. garden cosmos COVA3 Codiaeum variegatum (L.) Juss. garden croton CUSA4 Cucumis sativus L. garden cucumber ZIOF Zingiber officinale Roscoe garden ginger HEAR16 Heliotropium arborescens L. garden heliotrope HYOR Hyacinthus orientalis L. garden hyacinth ALPO2 Allium porrum L. garden leek LASA3 Lactuca sativa L. garden lettuce LEOF Levisticum officinale W.D.J. Koch garden lovage REOD Reseda odorata L. garden mignonette ALCE Allium cepa L. garden onion ALCEC Allium cepa L. var. cepa garden onion ALCEV Allium cepa L. var. viviparum M.C. Metz garden onion ATHO Atriplex hortensis L. garden orache PISA6 Pisum sativum L. garden pea RHRH2 Rheum rhabarbarum L. garden rhubarb ANMA3 Antirrhinum majus L. garden snapdragon RUAC2 Rumex acetosa L. garden sorrel‡ RUACA Rumex acetosa L. ssp. acetosa garden sorrel RUACT Rumex acetosa L. ssp. thyrsiflorus (Fingerhuth) Hayek garden sorrel HYER3 Hylotelephium erythrostictum (Miq.) H. Ohba. garden stonecrop THVU Thymus vulgaris L. garden thyme SOLY2 Solanum lycopersicum L. garden tomato SOLYC Solanum lycopersicum L. var. cerasiforme (Dunal) Spooner, J. Anderson & R.K. Jansen garden tomato SOLYL Solanum lycopersicum L. var. lycopersicum garden tomato VAOF Valeriana officinalis L. garden valerian VISA Vicia sativa L. garden vetch VISAN2 Vicia sativa L. ssp. nigra (L.) Ehrh. garden vetch VISAS2 Vicia sativa L. ssp. sativa garden vetch LYVU Lysimachia vulgaris L. garden yellow loosestrife BAVU Barbarea vulgaris Ait. f. garden yellowrocket LESA2 Lepidium sativum L. gardencress pepperweed ALPE4 Alliaria petiolata (Bieb.) Cavara & Grande garlic mustard MAAL13 Mansoa alliacea (Lam.) A.H. Gentry garlicvine DIAL4 Dictamnus albus L. gasplant EUTE10 Euphorbia terracina L. Geraldton carnation weed POGU Polyscias guilfoylei (Bull ex Cogn. & E. March.) Bailey geranium aralia MARE6 Matricaria recutita L. German chamomile STGE Stachys germanica L. German hedgenettle IRGE Iris germanica L. German iris SCAN2 Scleranthus annuus L. German knotgrass ASPR Asperugo procumbens L. German-madwort SPCH3 Spiraea chamaedryfolia L. Germander meadowsweet SPCHC Spiraea chamaedryfolia L. var. chamaedryfolia Germander meadowsweet SPCHU Spiraea chamaedryfolia L. var. ulmifolia (Scop.) Maxim. Germander meadowsweet VECH Veronica chamaedrys L. germander speedwell ARGE2 Aristea gerrardii Weim. Gerrard's aristea SAMO Sagittaria montevidensis Cham. & Schlecht. giant arrowhead CALA40 Campanula latifolia L. giant bellflower PTTR2 Pteris tripartita Sw. giant brake MIDI8 Mimosa diplotricha C. Wright ex Sauvalle giant false sensitive plant SOAR5 Sorbaria arborea Schneid. giant false spiraea LOGI2 Lolium giganteum (L.) S.J. Darbyshire giant fescue PAQU3 Passiflora quadrangularis L. giant granadilla HEMA17 Heracleum mantegazzianum Sommier & Levier giant hogweed POSA4 Polygonum sachalinense F. Schmidt ex Maxim. giant knotweed CAGI11 Calotropis gigantea (L.) Ait. f. giant milkweed POMA24 Polycnemum majus A. Braun giant needleleaf SOWE Solanum wendlandii Hook. f. giant potatocreeper ARDO4 Arundo donax L. giant reed GAEL3 Galanthus elewesii Hook. f. giant snowdrop ALMA11 Alocasia macrorrhizos (L.) Schott giant taro STTE6 Stenochlaena tenuifolia (Desv.) T. Moore giant vine fern MYAQ Myosoton aquaticum (L.) Moench giantchickweed LESE6 Leucanthemella serotina (L.) Tzvelev giantdaisy IBGI Iberis gibraltarica L. Gibraltar candytuft LYAS4 Lycianthes asarifolia (Kunth & Bouché) Bitter gingerleaf MEGR2 Mentha ×gracilis Sole (pro sp.) [arvensis × spicata] gingermint ELPE6 Eleutherococcus pentaphyllus (Sieb. & Zucc.) Nakai ginseng CHTI2 Chrozophora tinctoria (L.) A. Juss. giradol DISI4 Dimorphotheca sinuata DC. glandular cape marigold VECY80 Veronica cymbalaria Bodard glandular speedwell SAIN Sacciolepis indica (L.) Chase glenwoodgrass CYSC2 Cynara scolymus L. globe artichoke IBUM Iberis umbellata L. globe candytuft ROGL2 Rorippa globosa (Turcz. ex Fisch. & C.A. Mey.) Hayek globe yellowcress IPCA5 Ipomoea carnea Jacq. gloria de la manana IPCAF Ipomoea carnea Jacq. ssp. fistulosa (Mart. ex Choisy) D. Austin gloria de la manana CHLU2 Chionodoxa luciliae Boiss. glory of the snow ABGR4 Abelia ×grandiflora (André) Rehd. [chinensis × uniflora] glossy abelia FRAL4 Frangula alnus P. Mill. glossy buckthorn LILU2 Ligustrum lucidum Ait. f. glossy privet SESU4 Senna surattensis (Burm. f.) Irwin & Barneby glossy shower SAMA23 Saritaea magnifica (Sprague) Dugand glowvine ARGM Artemisia gmelinii Webb ex Stechmann Gmelin's wormwood COSE10 Coronilla securidaca L. goat pea SACA22 Salix caprea L. goat willow JADI2 Jasminum dichotomum Vahl Gold Coast jasmine CASA2 Camelina sativa (L.) Crantz gold-of-pleasure CASAA Camelina sativa (L.) Crantz ssp. alyssum (P. Mill.) E. Schmid gold-of-pleasure CASAS2 Camelina sativa (L.) Crantz ssp. sativa gold-of-pleasure GLPA3 Gladiolus papilio Hook. f. goldblotch gladiolus PHAU8 Phyllostachys aurea Carr. ex A.& C. Rivière golden bamboo LAAN2 Laburnum anagyroides Medik. golden chain tree ANTI Anthemis tinctoria L. golden chamomile TRAU2 Trifolium aureum Pollich golden clover CHAC Chrysopogon aciculatus (Retz.) Trin. golden false beardgrass BAGL3 Bambusa glaucescens (Willd.) Sieb. ex Munro golden goddess bamboo TRAU3 Trisetum aureum (Ten.) Ten. golden oatgrass CAFI3 Cassia fistula L. golden shower ALCA7 Allamanda cathartica L. golden trumpet ACPY3 Acacia pycnantha Benth. golden wattle KOPA Koelreuteria paniculata Laxm. goldenrain tree LAAU Lamarckia aurea (L.) Moench goldentop grass AUPE3 Aurinia petraea (Ard.) Schur goldentuft SEAC Sedum acre L. goldmoss stonecrop CHBO Chenopodium bonus-henricus L. good King Henry PEGR12 Pelargonium grossularioides (L.) L'Hér. ex Ait. gooseberry geranium CUMY Cucumis myriocarpus E. Mey. ex Naud. gooseberry gourd ACRA6 Acrachne racemosa (Roemer & J.A. Schultes) Ohwi goosegrass LYCL2 Lysimachia clethroides Duby gooseneck yellow loosestrife GADU3 Garcinia dulcis (Roxb.) Kurz Gourka JAPO Jatropha podagrica Hook. goutystalk nettlespurge FLIN Flacourtia indica (Burm. f.) Merr. governor's plum POZE Pouzolzia zeylanica (L.) Benn. graceful pouzolzsbush MAGR8 Manihot grahamii Hook. Graham's manihot SOBIB Sorghum bicolor (L.) Moench ssp. bicolor grain sorghum EUSE8 Euphorbia segetalis L. grainfield spurge PIGR6 Pisonia grandis R. Br. grand devil's-claws EUGR12 Eucalyptus grandis W. Hill ex Maid. grand eucalyptus PAPU11 Paspalum pulchellum Kunth grand paspalum IPTR3 Ipomoea tricolor Cav. grannyvine† CRVIG Crotalaria virgulata Klotzsch ssp. grantiana (Harvey) Polhill Grant's rattlebox CIPA3 Citrus ×paradisi Macfad. (pro sp.) [maxima × sinensis] grapefruit BERE2 Begonia reniformis Dry. grapeleaf begonia PEVI8 Pelargonium vitifolium (L.) L'Hér. ex Ait. grapeleaf geranium LANI3 Lathyrus nissolia L. grass pea LASP2 Lathyrus sphaericus Retz. grass pea CADI19 Carex divulsa Stokes grassland sedge LEGR5 Lepidium graminifolium L. grassleaf pepperweed EUGR6 Euphorbia graminea Jacq. grassleaf spurge CAPA30 Carex panicea L. grasslike sedge STGR Stellaria graminea L. grasslike starwort ARPR4 Arachis prostrata Benth. grassnut HYGR2 Hypericum gramineum G. Forst. grassy St. Johnswort CEBR2 Cerastium brachypetalum Desportes ex Pers. gray chickweed CEBRB Cerastium brachypetalum Desportes ex Pers. ssp. brachypetalum gray chickweed CEBRT Cerastium brachypetalum Desportes ex Pers. ssp. tauricum (Spreng.) Murb. gray chickweed COCA16 Corynephorus canescens (L.) Beauv. gray clubawn grass VEPO Veronica polita Fries gray field speedwell EUPA Eucalyptus paniculata Sm. gray ironbark AVMA3 Avicennia marina (Forsk.) Vierh. gray mangrove AVMAR Avicennia marina (Forsk.) Vierh. var. resinifera (G. Forst.) Bakh. gray mangrove TINU Ticanto nuga (L.) Medik. gray nicker POCA14 Populus ×canescens (Ait.) Sm. (pro sp.) [alba × tremula] gray poplar ARCA18 Arabis caucasica Willd. gray rockcress HEIN4 Herniaria incana Lam. gray rupturewort CAGL11 Casuarina glauca Sieb. ex Spreng. gray sheoak BOSP6 Bougainvillea spectabilis Willd. great bougainvillea RUTH2 Rubus thyrsoides C. Wimm. Great Britain blackberry DOPA2 Doronicum pardalianches L. great false leopardbane ECSP Echinops sphaerocephalus L. great globethistle ROAM Rorippa amphibia (L.) Bess. great yellowcress CABR19 Carex brunnea Thunb. greater brown sedge ARLA3 Arctium lappa L. greater burrdock CUEU Cuscuta europaea L. greater dodder CESC2 Centaurea scabiosa L. greater knapweed ANMA14 Androsace maxima L. greater rockjasmine COSQ Coronopus squamatus (Forsk.) Aschers. greater swinecress DILA3 Digitalis lanata Ehrh. Grecian foxglove RUCR2 Rumex cristatus DC. Greek dock ANBL2 Anemone blanda Schott & Kotschy Greek thimbleweed SEVI4 Setaria viridis (L.) Beauv. green bristlegrass SEVIM Setaria viridis (L.) Beauv. var. major (Gaudin) Pospichal green bristlegrass SEVIV Setaria viridis (L.) Beauv. var. viridis green bristlegrass SEPR2 Sedum praealtum DC. green cockscomb VEAG Veronica agrestis L. green field speedwell HEVI Helleborus viridis L. green hellebore ACDE Acacia decurrens Willd. green wattle FOVI Forsythia viridissima Lindl. greenstem forsythia PHVI15 Phyllostachys viridiglaucescens (Carriere) A.& C. Rivière greenwax golden bamboo GLHE2 Glechoma hederacea L. ground ivy CLRE2 Clematis recta L. ground virginsbower ACTO5 Acrocomia totai Mart. grugru palm PIGR5 Pithecellobium graciliflorum Blake Guadeloupe blackbead INNOQ Inga nobilis Willd. ssp. quaternata (Poepp. & Endl.) T.D. Pennington guama venezolano HESU7 Heliconia subulata Ruiz & Pavón Guatemalan bird of paradise PSGU Psidium guajava L. guava KLHO Kleinhovia hospita L. guest tree HEOD Hermbstaedtia odorata (Burchell) T. Cooke guineaflower URMA3 Urochloa maxima (Jacq.) R. Webster guineagrass ECCR2 Echinochloa crus-pavonis (Kunth) J.A. Schultes gulf cockspur grass ECCRC2 Echinochloa crus-pavonis (Kunth) J.A. Schultes var. crus-pavonis gulf cockspur grass PHFR5 Phyllanthus fraternus G.L. Webster gulf leaf-flower ACNI2 Acacia nilotica (L.) Willd. ex Delile gum arabic tree CILA6 Cistus ladaniferus L. gum rockrose GMAR Gmelina arborea Roxb. gumhar SAGU Sagittaria guayanensis Kunth Guyanese arrowhead CYOF Cynoglossum officinale L. gypsyflower LYEU Lycopus europaeus L. gypsywort ARHA10 Arachis hagenbeckii Harms Hagenbeck's peanut MUVE Musa velutina H. Wendl. & Drude hairy banana BIPI Bidens pilosa L. hairy beggarticks LOSU80 Lotus subbiflorus Lag. hairy bird's-foot trefoil CAHI3 Cardamine hirsuta L. hairy bittercress BRRA3 Bromus ramosus Huds. hairy brome RASA Ranunculus sardous Crantz hairy buttercup HYRA3 Hypochaeris radicata L. hairy catsear FAVI Fatoua villosa (Thunb.) Nakai hairy crabweed ERVI3 Eriochloa villosa (Thunb.) Kunth hairy cupgrass DRHI4 Drosanthemum hispidum (L.) Schwant. hairy dewflower CAPE34 Calystegia pellita (Ledeb.) G. Don hairy false bindweed ABGR3 Abutilon grandifolium (Willd.) Sweet hairy Indian mallow SILA8 Sideritis lanata L. hairy ironwort ALMO4 Alchemilla monticola Opiz hairy lady's mantle ALHI2 Althaea hirsuta L. hairy marshmallow MEMO5 Medicago monspeliaca (L.) Trautv. hairy medick ARHI Arabis hirsuta (L.) Scop. hairy rockcress‡ ARHIH Arabis hirsuta (L.) Scop. var. hirsuta hairy rockcress CIIN80 Cistus incanus L. hairy rockrose CIINC Cistus incanus L. ssp. corsicus (Loisel.) Heywood hairy rockrose CIINI Cistus incanus L. ssp. incanus hairy rockrose HEHI7 Herniaria hirsuta L. hairy rupturewort HEHIC Herniaria hirsuta L. ssp. cinerea (DC.) Coutinho hairy rupturewort HEHIH Herniaria hirsuta L. ssp. hirsuta hairy rupturewort SPVI Spergularia villosa (Pers.) Camb. hairy sandspurry CHPI5 Chamaecrista pilosa (L.) Greene hairy sensitive pea URVI2 Urochloa villosa (Lam.) T. Q. Nguyen hairy signalgrass BAHI3 Bassia hirsuta (L.) Aschers. hairy smotherweed ACPI4 Acmella pilosa R.K. Jansen hairy spotflower RYPI Rytidosperma pilosum (R. Br.) Connor & Edgar hairy wallaby grass CAPU6 Cardaria pubescens (C.A. Mey.) Jarmolenko hairy whitetop VIHY80 Vicia hybrida L. hairy yellow vetch CYVI8 Cytisus villosus Pourret hairybroom ERTR23 Eragrostis trichophora Coss. & Dur. hairyflower lovegrass RUCI3 Ruellia ciliatiflora Hook. hairyflower wild petunia PEDU2 Petrorhagia dubia (Raf.) G. López & Romo hairypink CALO8 Catalpa longissima (Jacq.) Dum.-Cours. Haitian catalpa EUHA9 Euonymus hamiltoniana Wall Hamilton's spindletree EUHAM Euonymus hamiltoniana Wall ssp. maackii (Rupr.) Komarov Hamilton's spindletree EUHAS Euonymus hamiltoniana Wall ssp. sieboldianus (Blume) Hara Hamilton's spindletree CAHI10 Carex hirta L. hammer sedge CAPE45 Carex pendula Huds. hanging sedge FETR3 Festuca trachyphylla (Hack.) Krajina hard fescue ERDU4 Erysimum durum J.& K. Presl hard wallflower SCPO7 Schinus polygamus (Cav.) Cabrera Hardee peppertree ACRE3 Acroptilon repens (L.) DC. hardheads FUMA Fuchsia magellanica Lam. hardy fuchsia POTR4 Poncirus trifoliata (L.) Raf. hardy orange CRBU2 Crinum bulbispermum (Burm. f.) Milne-Redhead & Schweickerdt hardy swamplily BURO Bupleurum rotundifolium L. hare's ear COOR Conringia orientalis (L.) Dumort. hare's ear mustard LAOV Lagurus ovatus L. harestail grass CLTR Clerodendrum trichotomum Thunb. harlequin glorybower PEHA Peganum harmala L. harmal peganum HALY2 Haplocarpha lyrata Harr. harp onefruit CYMO12 Cypholophus moluccanus (Blume) Miq. Hawai'I lopleaf DESA81 Desmodium sandwicense E. Mey. Hawai'i ticktrefoil LAIN4 Laportea interrupta (L.) Chew Hawai'i woodnettle XYCO Xyris complanata R. Br. Hawai'i yelloweyed grass EUMU Euryops multifidus (Thunb.) DC. hawk's eye PIHI Picris hieracioides L. hawkweed oxtongue‡ PIHIH Picris hieracioides L. ssp. hieracioides hawkweed oxtongue AEHA2 Aeonium haworthii Webb & Berth. Haworth's aeonium SOCA19 Solanum cardiophyllum Lindl. heaftleaf horsenettle CABI11 Caladium bicolor (Ait.) Vent. heart of Jesus OECO6 Oenothera cordata J.W. Loudon heartleaf evening-primrose APCO Aptenia cordifolia (L. f.) Schwant. heartleaf iceplant ANCO6 Anredera cordifolia (Ten.) Steenis heartleaf madeiravine PHCO32 Philadelphus cordifolius Lange heartleaf mock orange IPCO9 Ipomoea cordifolia Carey ex Voight heartleaf morning-glory VEGR3 Veronica grandis Fisch. ex Spreng. heartleaf speedwell MOVA Monochoria vaginalis (Burm. f.) K. Presl ex Kunth heartshape false pickerelweed GASA2 Galium saxatile L. heath bedstraw BRPI Brachypodium pinnatum (L.) Beauv. heath false brome CAFL8 Carex flacca Schreb. heath sedge LUCO8 Luzula congesta (Thuill.) Lej. heath woodrush CAVU Calluna vulgaris (L.) Hull heather BAMU2 Bambusa ?multiplex (Lour.) Raeusch. ex J.A. & J.H. Schultes hedge bamboo CEHI3 Cereus hildmannianus K. Schum. hedge cactus CASE13 Calystegia sepium (L.) R. Br. hedge false bindweed‡ CASES Calystegia sepium (L.) R. Br. ssp. sepium hedge false bindweed ACCA5 Acer campestre L. hedge maple CUDI2 Cucumis dipsaceus C.G. Ehrenb. ex Spach hedgehog gourd SIOF Sisymbrium officinale (L.) Scop. hedgemustard GEPY Geranium pyrenaicum Burm. f. hedgerow geranium SESE9 Senna septentrionalis (Viviani) Irwin & Barneby hedionda macho MEHE5 Medicago heldreichii E. Small Heldreich's alfalfa ORMI Orobanche minor Sm. hellroot EUCA9 Eupatorium cannabinum L. hemp agrimony ORRA Orobanche ramosa L. hemp broomrape SECA5 Senecio cannabinifolius Hook. & Arn. hempleaf ragwort JOHE Jovibarba heuffelii (Schott) A.& D. Löve hen and chickens ARCR80 Ardisia crenata Sims hen's eyes LAAM Lamium amplexicaule L. henbit deadnettle LAIN5 Lawsonia inermis L. henna GEUR Geum urbanum L. herb bennet CECA Cedronella canariensis (L.) Willd. ex Webb & Berth. herb of Gilead VEOF Verbena officinalis L. herb of the cross VEOFO2 Verbena officinalis L. var. officinalis herb of the cross DESO2 Descurainia sophia (L.) Webb ex Prantl herb sophia TIHE2 Tibouchina herbacea (DC.) Cogn. herbaceous glorytree VIHE3 Vinca herbacea Waldst. & Kit. herbaceous periwinkle SUMA Suaeda maritima (L.) Dumort. herbaceous seepweed‡ SUMAM Suaeda maritima (L.) Dumort. ssp. maritima herbaceous seepweed IRHE3 Iresine herbstii Hook. ex Lindl. Herbst's bloodleaf MEUM3 Melochia umbellata (Houtt.) Stapf hierba del soldado MASY Malva sylvestris L. high mallow RUBI Rubus bifrons Vest ex Tratt. Himalayan berry RUAR9 Rubus armeniacus Focke Himalayan blackberry RUDI2 Rubus discolor Weihe & Nees Himalayan blackberry LEFO2 Leycesteria formosa Wallich Himalayan honeysuckle ECST4 Echinochloa stagnina (Retz.) Beauv. hippo grass HYHI5 Hyacinthoides hispanica (P. Mill.) Rothm. Hispanic hyacinthoides GLHI2 Glandularia hispida Ruiz & Pavón hispid mock vervain CAIN21 Capparis incana Kunth hoary caper BEIN2 Berteroa incana (L.) DC. hoary false madwort ATNI80 Atriplex nitens Schkuhr hoary orache PLME Plantago media L. hoary plantain SEER5 Senecio erucifolius L. hoary ragwort CHJU Chondrilla juncea L. hogbite PEPA22 Peucedanum palustre (L.) Moench hogfennel MEVE3 Medinilla venosa (Blume) Blume holdtight PIMA6 Pimpinella major (L.) Huds. hollowstem burnet saxifrage ALRO3 Alcea rosea L. hollyhock OCTE2 Ocimum tenuiflorum L. holy basil SWMA Swietenia macrophylla King Honduras mahogany LESI Leonurus sibiricus L. honeyweed PHPA5 Phalaris paradoxa L. hood canarygrass SEVE3 Setaria verticillata (L.) Beauv. hooked bristlegrass BALU2 Barleria lupulina Lindl. hophead Philippine violet SCCAH Scrophularia canina L. ssp. hoppii (Koch) Fourn. Hopp's figwort MAVU Marrubium vulgare L. horehound AEHI Aesculus hippocastanum L. horse chestnut VIFA Vicia faba L. horsebean PEDU3 Peltophorum dubia (Spreng.) Taubert horsebush LYSA5 Lysiloma sabicu Benth. horseflesh mahogany DOJU Dopatrium junceum (Roxb.) Buch.-Ham. ex Benth. horsefly's eye ARRU4 Armoracia rusticana P.G. Gaertn., B. Mey. & Scherb. horseradish MOOL Moringa oleifera Lam. horseradishtree PEZO Pelargonium zonale (L.) L'Hér. ex Ait. horseshoe geranium HICO3 Hippocrepis comosa L. horseshoe vetch CAED3 Carpobrotus edulis (L.) N.E. Br. hottentot fig SAHU Salix humboldtiana Willd. Humboldt's willow IRVA Iris variegata L. Hungarian iris SYJO4 Syringa josikaea Jacq. f. ex Reichenb. Hungarian lilac ASCO17 Astragalus contortuplicatus L. Hungarian milkvetch VIPA2 Vicia pannonica Crantz Hungarian vetch COHU80 Cotoneaster hupehensis Rehd. & Wilson Hupeh cotoneaster FISP2 Fimbristylis spathacea Roth hurricanegrass LAPU6 Lablab purpureus (L.) Sweet hyacinthbean MEHY4 Medicago hybrida (Pourret) Trautv. hybrid alfalfa SARU3 Salix ×rubens Schrank (pro sp.) [alba × fragilis] hybrid crack willow FUHY2 Fuchsia hybrida hort. ex Sieb. & Voss hybrid fuchsia LUHY7 Lupinus hybridus Lem. hybrid lupine HYOF Hyssopus officinalis L. hyssop LYHY2 Lythrum hyssopifolia L. hyssop loosestrife LEHY2 Lepidium hyssopifolium Desv. hyssopleaf pepperweed GEIB Geranium ibericum Cav. Iberian geranium CEIB Centaurea iberica Trev. ex Spreng. Iberian knapweed CLIB Cleome iberica DC. Iberian spiderflower SPHY2 Spiraea hypericifolia L. Iberian spirea SAHY2 Sansevieria hyacinthoides (L.) Druce iguanatail CAOD Cananga odorata (Lam.) Hook. f. & T. Thomson ilang-ilang ONIL Onopordum illyricum L. Illyrian cottonthistle TRZE Tradescantia zebrina hort. ex Bosse inchplant LAIN14 Lathyrus inconspicuus L. inconspicuous pea BRJU Brassica juncea (L.) Czern. India mustard ALLE2 Albizia lebbekoides (DC.) Benth. Indian albizia KAIN5 Kalimeris indica (L.) Schultz-Bip. Indian aster FIBE2 Ficus benghalensis L. Indian banyan PLIN4 Pluchea indica (L.) Less. Indian camphorweed ACIN Acalypha indica L. Indian copperleaf ELIN3 Eleusine indica (L.) Gaertn. Indian goosegrass SIOR4 Sisymbrium orientale L. Indian hedgemustard HEIN Heliotropium indicum L. Indian heliotrope ZIMA Ziziphus mauritiana Lam. Indian jujube LIIN5 Limnophila indica (L.) Druce Indian marshweed MOCI3 Morinda citrifolia L. Indian mulberry ISIN3 Ischaemum indicum (Houtt.) Merr. Indian murainagrass CRAS2 Crotalaria assamica Benth. Indian rattlebox DASI Dalbergia sissoo Roxb. ex DC. Indian rosewood FIEL Ficus elastica Roxb. ex Hornem. Indian rubberplant CEBI Cenchrus biflorus Roxb. Indian sandburr CAIN19 Canna indica L. Indian shot EUNE4 Euphorbia neriifolia L. Indian spurgetree DUIN Duchesnea indica (Andr.) Focke Indian strawberry HYPO3 Hygrophila polysperma (Roxb.) T. Anders. Indian swampweed DISA9 Dipsacus sativus (L.) Honckeny Indian teasel ROIN3 Rotala indica (Willd.) Koehne Indian toothcup ALMO2 Aleurites moluccana (L.) Willd. Indian walnut DITR3 Dioscorea trifida L. f. Indian yam EUTI Euphorbia tirucalli L. Indiantree spurge EUDE2 Eucalyptus deglupta Blume Indonesian gum CRMU11 Crataegus multiflora Bunge inkberry hawthorn PAIN5 Paspalum intermedium Munro ex Morong intermediate paspalum THIN6 Thinopyrum intermedium (Host) Barkworth & D.R. Dewey intermediate wheatgrass SAPR2 Salvia pratensis L. introduced sage ERGR15 Erodium gruinum (L.) L'Hér. ex Ait. Iranian stork's bill SOTU Solanum tuberosum L. Irish potato TRPH Trembleya phlogiformis DC. island glorybush TRPHP Trembleya phlogiformis DC. var. parvifolia Cogn. island glorybush VEPL2 Veronica plebia R. Br. island speedwell ANAZ Anchusa azurea P. Mill. Italian bugloss SIIT Silene italica Pers. Italian catchfly SIITN Silene italica Pers. ssp. nemoralis (Waldst. & Kit.) Nyman Italian catchfly GLIT Gladiolus italicus P. Mill. Italian gladiolus CRBU3 Crepis bursifolia L. Italian hawksbeard CLVI7 Clematis viticella L. Italian leather flower ARIT Arum italicum P. Mill. Italian lords and ladies CAPY2 Carduus pycnocephalus L. Italian plumeless thistle LOPEM2 Lolium perenne L. ssp. multiflorum (Lam.) Husnot Italian ryegrass PIPI7 Pinus pinea L. Italian stone pine PHSU2 Phleum subulatum (Savi) Aschers. & Graebn. Italian timothy LIAN10 Linaria angustissima (Loisel.) Borbás Italian toadflax ECIT Echium italicum L. Italian vipersbugloss LOCA8 Lonicera caprifolium L. Italian woodbine ROCO6 Rottboellia cochinchinensis (Lour.) W.D. Clayton itchgrass TEIV2 Terminalia ivorensis Chev. Ivory Coast almond COGR9 Coccinia grandis (L.) Voigt ivy gourd PEPE6 Pelargonium peltatum (L.) L'Hér. ex Ait. ivyleaf geranium IPHE Ipomoea hederacea Jacq. ivyleaf morning-glory VEHE2 Veronica hederifolia L. ivyleaf speedwell CYJW Cymbopogon jwarancusa (Jones) Schultes Iwarancusa grass PODO5 Pouteria dominigensis (Gaertn. f.) Baehni jacana TRPR Tragopogon pratensis L. Jack-go-to-bed-at-noon ARHE2 Artocarpus heterophyllus Lam. jackfruit PEAM6 Peperomia amplexicaulis (Sw.) A. Dietr. Jackie's saddle CROV3 Crassula ovata (P. Mill.) Druce jade plant HOUM Holosteum umbellatum L. jagged chickweed CAUR3 Caryota urens L. jaggery palm TRCI2 Tribulus cistoides L. Jamaican feverplant BRAM Browallia americana L. Jamaican forget-me-not AREL8 Aralia elata (Miq.) Seem. Japanese angelica tree RHJA2 Rhododendron japonicum (Gray) Sur. Japanese azalea BETH Berberis thunbergii DC. Japanese barberry PITH3 Pinus thunbergiana Franco Japanese black pine SEFA Setaria faberi Herrm. Japanese bristlegrass BRJA Bromus japonicus Thunb. ex Murr. Japanese brome RHJA8 Rhamnus japonica Maxim. Japanese buckthorn CAJA11 Callicarpa japonica Thunb. Japanese callicarpa CRJA3 Cryptomeria japonica (L. f.) D. Don Japanese cedar ACJA Achyranthes japonica (Miq.) Nakai Japanese chaff flower ACJAH Achyranthes japonica (Miq.) Nakai var. hachijoensis Honda Japanese chaff flower PITO2 Pittosporum tobira (Thunb.) Ait. f. Japanese cheesewood CACR27 Castanea crenata Sieb. & Zucc. Japanese chestnut LYJA Lygodium japonicum (Thunb. ex Murr.) Sw. Japanese climbing fern KUST2 Kummerowia striata (Thunb.) Schindl. Japanese clover PHJA Phellodendron japonicum Maxim. Japanese corktree CUJA Cuscuta japonica Choisy Japanese dodder CAHE21 Calystegia hederacea Wallich Japanese false bindweed DEPE3 Deparia petersonii (Kunze) M. Kato Japanese false spleenwort PRSE3 Prunus serrulata Lindl. Japanese flowering cherry MAFL80 Malus floribunda Sieb. ex Van Houtte Japanese flowering crabapple CLJA3 Clerodendrum japonicum (Thunb.) Sweet Japanese glorybower ILCR2 Ilex crenata Thunb. Japanese holly LOJA Lonicera japonica Thunb. Japanese honeysuckle HUJA Humulus japonicus Sieb. & Zucc. Japanese hop IRSA2 Iris sanguinea Hornem. ex Donn Japanese iris JAME Jasminum mesnyi Hance Japanese jasmine POCU6 Polygonum cuspidatum Sieb. & Zucc. Japanese knotweed LAKA2 Larix kaempferi (Lam.) Carr. Japanese larch ERTE2 Eragrostis tenella (L.) Beauv. ex Roemer & J.A. Schultes Japanese lovegrass ACPA2 Acer palmatum Thunb. Japanese maple MAPU7 Mazus pumilus (Burm. f.) Steenis Japanese mazus SPJA Spiraea japonica L. f. Japanese meadowsweet ECES Echinochloa esculenta (A. Braun) H. Scholz Japanese millet CYFA2 Cyrtomium falcatum (L. f.) K. Presl Japanese netvein hollyfern LAAP3 Lapsanastrum apogonoides (Maxim.) J.H. Pak & K. Bremer Japanese nipplewort PATE11 Pachysandra terminalis Sieb. & Zucc. Japanese pachysandra SOJA6 Sophora japonica L. Japanese pagoda tree PABI80 Panicum bisulcatum Thunb. Japanese panicgrass SAJA2 Sagina japonica (Sw.) Ohwi Japanese pearlwort PHGL17 Photinia glabra (Thunb.) Maxim. Japanese photinia PRJA2 Primula japonica Gray Japanese primrose LIJA Ligustrum japonicum Thunb. Japanese privet HODU2 Hovenia dulcis Thunb. Japanese raisintree KEJA Kerria japonica (L.) DC. Japanese rose CAKO2 Carex kobomugi Ohwi Japanese sedge VIPL Viburnum plicatum Thunb. Japanese snowball STJA5 Styrax japonicus Sieb. & Zucc. Japanese snowbell EUJA2 Euonymus japonica Thunb. Japanese spindletree SPBU2 Spiraea ×bumalda Burven [albiflora × japonica] Japanese spiraea PEJA3 Petasites japonicus (Sieb. & Zucc.) Maxim. Japanese sweet coltsfoot ANHU Anemone hupehensis (hort. ex Lem.) Lem. ex Boynton Japanese thimbleweed ANHUJ Anemone hupehensis (hort. ex Lem.) Lem. ex Boynton var. japonica (Thunb.) Bowles & W. Stern Japanese thimbleweed PHBA80 Phyllostachys bambusoides Sieb. & Zucc. Japanese timber bamboo SYRE2 Syringa reticulata (Blume) Hara Japanese tree lilac SYRER2 Syringa reticulata (Blume) Hara ssp. reticulata Japanese tree lilac JUAI Juglans ailanthifolia Carr. Japanese walnut WIFL Wisteria floribunda (Willd.) DC. Japanese wisteria LYJA2 Lysimachia japonica Thunb. Japanese yellow loosestrife TACU Taxus cuspidata Sieb. & Zucc. Japanese yew ZESE80 Zelkova serrata (Thunb.) Makino Japanese zelkova HYRU2 Hyparrhenia rufa (Nees) Stapf jaraguagrass EUMA4 Eucalyptus marginata Donn ex Sm. jarrah RAFO2 Randia formosa (Jacq.) K. Schum. jasmin de rosa NIAL Nicotiana alata Link & Otto jasmine tobacco POAM12 Polytrias amaura (Büse ex Miq.) Kuntze Java grass SYCU Syzygium cumini (L.) Skeels Java plum BIJA Bischofia javanica Blume Javanese bishopwood CLSP7 Clerodendrum speciosissimum Van Geert ex Morr. Javanese glorybower CINO Cissus nodosa Blume Javanese treebine JAFL Jasminum fluminense Vell. jazmin de trapo SERE4 Sedum reflexum L. Jenny's stonecrop PSLU6 Pseudognaphalium luteoalbum (L.) Hilliard & Burtt Jersey cudweed CEPA14 Centaurea paniculata L. Jersey knapweed SOPS Solanum pseudocapsicum L. Jerusalem cherry CHBO2 Chenopodium botrys L. Jerusalem oak goosefoot PASP16 Paliurus spina-christi P. Mill. Jeruselem thorn RHSC3 Rhodotypos scandens (Thunb.) Makino jetbead SIAU6 Sisymbrium austriacum Jacq. jeweled rocket SPDU3 Spondias dulcis Parkinson Jewish plum DAST Datura stramonium L. jimsonweed COBE2 Commelina benghalensis L. jio COLA Coix lacryma-jobi L. Job's tears VITR Viola tricolor L. johnny jumpup SOHA Sorghum halepense (L.) Pers. Johnsongrass AECY Aegilops cylindrica Host jointed goatgrass NAJO Narcissus jonquilla L. jonquil AMTR2 Amaranthus tricolor L. Joseph's-coat BEJU3 Berberis julianiae Schneid. Julian's berberis ECCO2 Echinochloa colona (L.) Link jungle rice ANCH3 Anthocephalus chinensis (Lam.) A. Rich. ex Walp. kadam CLKA2 Clerodendrum kaempferi (Jacq.) Sieb. Kaempfer's glorybower HEGA Hedychium gardnerianum Shepard ex Ker-Gawl. Kahila garland-lily GRBA Grevillea banksii R. Br. kahiliflower MAPH4 Mallotus philippensis (Lam.) Muell.-Arg. kamala tree THQU Themeda quadrivalvis (L.) Kuntze kangaroo grass COLA6 Corynocarpus laevigatus J.R. & G. Forst. karaka nut SAMO5 Salvinia molesta Mitchell kariba-weed CEJA2 Cercidiphyllum japonicum Sieb. & Zucc. ex J. Hoffmann & H. Schult. katsura tree PIME Piper methysticum G. Forst. kava CYMU Cymbalaria muralis P.G. Gaertn., B. Mey. & Scherb. Kenilworth ivy AGTA Agrostis tandilensis (Kuntze) Parodi Kennedy's bentgrass POPR Poa pratensis L. Kentucky bluegrass‡ TRHE8 Tragus heptaneuron W.D. Clayton Kenya burr grass CAAF2 Cassia afrofistula Brenan Kenyan shower RUKE Rumex kerneri Borbás Kerner's dock PRPA4 Prosopis pallida (Humb. & Bonpl. ex Willd.) Kunth kiawe PHVU Phaseolus vulgaris L. kidney bean PECL2 Pennisetum clandestinum Hochst. ex Chiov. kikuyugrass HIPR3 Hieracium praealtum Vill. ex Gochnat kingdevil HIPRD Hieracium praealtum Vill. ex Gochnat var. decipiens W.D.J. Koch kingdevil INKI Indigofera kirilowii Maxim. ex Palibin Kirilow's indigo POOR2 Polygonum orientale L. kiss me over the garden gate SAOF2 Salvia officinalis L. kitchen sage DIAN Dichanthium annulatum (Forsk.) Stapf Kleberg's bluestem PACO2 Panicum coloratum L. klinegrass CAIN49 Carex inversa R. Br. knob sedge TRST5 Trifolium striatum L. knotted clover TONO Torilis nodosa (L.) Gaertn. knotted hedgeparsley SANO Sagina nodosa (L.) Fenzl knotted pearlwort‡ SANON Sagina nodosa (L.) Fenzl ssp. nodosa knotted pearlwort PASC6 Paspalum scrobiculatum L. kodomillet KUST Kummerowia stipulacea (Maxim.) Makino Korean clover ZOJA Zoysia japonica Steud. Korean lawngrass COSU2 Cordia subcordata Lam. kou COKO2 Cornus kousa Hance Kousa dogwood SEKR Selaginella kraussiana (Kunze) A. Braun Krauss' spikemoss PUMO Pueraria montana (Lour.) Merr. kudzu PUMOL Pueraria montana (Lour.) Merr. var. lobata (Willd.) Maesen & S. Almeida kudzu RHKU Rhynchospora kunthii Nees ex Kunth Kunth's beaksedge THIN13 Thuarea involuta (G. Forst.) Roemer & J.A. Schultes Kuroiwa grass PEPE24 Pennisetum pedicellatum Trin. Kyasuma grass PEPEU Pennisetum pedicellatum Trin. ssp. unispiculum Brunken Kyasuma grass SPPL2 Spergularia platensis (Camb.) Fenzl La Plata sandspurry PTVI Pteris vittata L. ladder brake PUAR2 Pulicaria arabica (L.) Cass. ladies' false fleabane CEHE3 Cereus hexagonus (L.) P. Mill. lady of the night cactus SCLA14 Schoenoplectus lacustris (L.) Palla lakeshore bulrush SCLA15 Scleria lacustris C. Wright lakeshore nutrush GADI Galium divaricatum Pourret ex Lam. Lamarck's bedstraw ARMI3 Arnoseris minima (L.) Schweig. & Koerte lamb succory CHAL7 Chenopodium album L. lambsquarters‡ CHALA Chenopodium album L. var. album lambsquarters CHALM Chenopodium album L. var. microphyllum Boenn. lambsquarters CRLA7 Crotalaria lanceolata E. Mey. lanceleaf rattlebox BULA3 Bupleurum lancifolium Hornem. lanceleaf thorow wax ALLA2 Alisma lanceolatum Withering lanceleaf water plantain AMMA Ammi majus L. large bullwort SACI Salix cinerea L. large gray willow SACIC Salix cinerea L. ssp. cinerea large gray willow SACIO Salix cinerea L. ssp. oleifolia (Sm.) Macreight large gray willow PEAX Petunia axillaris (Lam.) B.S.P. large white petunia LYPU2 Lysimachia punctata L. large yellow loosestrife VIGR Vicia grandiflora Scop. large yellow vetch RIGR3 Richardia grandiflora (Cham. & Schlecht.) J.A. & J.H. Schultes largeflower Mexican clover AMDE Amaranthus deflexus L. largefruit amaranth RUMA Rubus macrophyllus Weihe & Nees largeleaf blackberry BRMA11 Brunnera macrophylla (Bieb.) I.M. Johnston largeleaf brunnera COSE2 Cordia sebestena L. largeleaf geigertree TIPL Tilia platyphyllos Scop. largeleaf linden HYBO3 Hydrocotyle bowlesioides Mathias & Constance largeleaf marshpennywort HIMA5 Hibiscus macrophyllus Roxb. ex Hornem. largeleaf rosemallow CHMA7 Chenopodium macrospermum Hook. f. largeseed goosefoot‡ CAMA51 Carex macrostachys Bertol. largespike sedge CEPU6 Centratherum punctatum Cass. larkdaisy RHSE9 Rhinanthus serotinus (Schönh) Oborny late-flowering yellowrattle MOOD3 Morrenia odorata (Hook. & Arn.) Lindl. latexplant PACO15 Paspalum convexum Humb. & Bonpl. ex Flueggé Latin American crowngrass ERKA2 Erigeron karvinskianus DC. Latin American fleabane GLTE3 Glandularia tenera (Spreng.) Cabrera Latin American mock vervain ONEN Oncidium ensatum Lindl. Latin American orchid ASFL4 Asplenium flabellulatum Kunze Latin American spleenwort THLA6 Thunbergia laurifolia Lindl. laurel clockvine SAPE4 Salix pentandra L. laurel willow NELA2 Nephrolepis laurifolia (Christ) Proctor laurel-leaf swordfern VITI2 Viburnum tinus L. laurustinus SACH2 Santolina chamaecyparissus L. lavender cotton KAFE Kalanchoe fedtschenkoi Hamet & Perrier lavender scallops HYSI Hydrocotyle sibthorpioides Lam. lawn marshpennywort BEPE2 Bellis perennis L. lawndaisy BOTE4 Bothriospermum tenellum (Hornem.) Fisch. & C.A. Mey. leaf between flower GEST9 Genista stenopetala Webb & Berth. leafy broom CHFO2 Chenopodium foliosum (Moench) Aschers. leafy goosefoot LECY80 Lespedeza cyrtobotrya Miq. leafy lespedeza EUES Euphorbia esula L. leafy spurge EUESE Euphorbia esula L. var. esula leafy spurge JUCA5 Juncus capitatus Weigel leafybract dwarf rush VIRH Viburnum rhytidophyllum Hemsl. leatherleaf arrowwood ERLE Eragrostis lehmanniana Nees Lehmann lovegrass CILI Citrus limon (L.) Burm. f. lemon ALTR6 Aloysia triphylla (L'Hér.) Britt. lemon beebrush CYCI Cymbopogon citratus (DC. ex Nees) Stapf lemon grass THPU5 Thymus pulegioides L. lemon thyme EUCI Eucalyptus citriodora Hook. lemonscented gum IRFL2 Iris flavescens Delile lemonyellow iris CACH10 Cardaria chalapensis (L.) Hand.-Maz. lenspod whitetop LECU2 Lens culinaris Medik. lentil VITE Vicia tetrasperma (L.) Schreb. lentil vetch HOMUL Hordeum murinum L. ssp. leporinum (Link) Arcang. leporinum barley ARMI2 Arctium minus Bernh. lesser burrdock LISU3 Linaria supina (L.) Chaz. lesser butter and eggs CANE17 Calamintha nepeta (L.) Savi lesser calamint CANEG Calamintha nepeta (L.) Savi ssp. glandulosa (Riquien) P.W. Ball lesser calamint CANEN Calamintha nepeta (L.) Savi ssp. ?nepeta lesser calamint LETAL Leontodon taraxacoides (Vill.) Mérat ssp. longirostris Finch & Sell lesser hawkbit LETAT Leontodon taraxacoides (Vill.) Mérat ssp. taraxacoides lesser hawkbit CENI2 Centaurea nigra L. lesser knapweed TAPU5 Tagetes pusilla Kunth lesser marigold CAAC2 Carex acutiformis Ehrh. lesser pond sedge TECO7 Teesdalia coronopifolia (Bergeret) Thellung lesser shepherdscress CODI6 Coronopus didymus (L.) Sm. lesser swinecress BARA Baldellia ranunculoides (L.) Parl. lesser waterplantain DIES2 Dioscorea esculenta (Lour.) Burkill lesser yam VALO Valerianella locusta (L.) Lat. Lewiston cornsalad COLI8 Coffea liberica Bull ex Hiern. Liberian coffee ASGL4 Astragalus glycyphyllos L. licorice milkvetch ACLI2 Achillea ligustica All. Ligurian yarrow VIAG Vitex agnus-castus L. lilac chastetree VIAGA Vitex agnus-castus L. var. agnus-castus lilac chastetree VIAGC Vitex agnus-castus L. var. caerulea Rehd. lilac chastetree SAVE5 Salvia verticillata L. lilac sage EMSO Emilia sonchifolia (L.) DC. lilac tasselflower‡ EMSOJ Emilia sonchifolia (L.) DC. var. javanica (Burm. f.) Mattf. lilac tasselflower IPTU3 Ipomoea turbinata Lag. lilacbell† AUDE Aubrieta deltoidea (L.) DC. lilacbush SAOR4 Salpichroa origanifolia (Lam.) Baill. lily of the valley vine BENE3 Begonia nelumbiifolia Cham. & Schlecht. lilypad begonia OPJA3 Ophiopogon jaburan (Sieb.) Lodd. lilyturf CIAU Citrus aurantifolia (Christm.) Swingle lime TRTR7 Triphasia trifolia (Burm. f.) P. Wilson limeberry MISP2 Microlepia speluncae (L.) T. Moore limpleaf fern HEAL5 Hemarthria altissima (Poir.) Stapf & C.E. Hubbard limpograss VIDI80 Viburnum dilatatum Thunb. linden arrowwood IRLI Iresine lindenii Van Houtte Linden's bloodleaf SATI Salvia tiliifolia Vahl lindenleaf sage BULI Buddleja lindleyana Fortune ex Lindl. Lindley's butterflybush CLLI6 Clerodendrum lindleyi Dcne. Lindley's clerodendrum CLLIP Clerodendrum lindleyi Dcne. var. paniculatum Moldenke Lindley's clerodendrum ATLI Atriplex lindleyi Moq. Lindley's saltbush MIOR Misopates orontium (L.) Raf. linearleaf snapdragon RULI2 Rubus linkianus Ser. Link's blackberry LELE3 Leonotis leonurus (L.) Ait. f. lion's ear LAPE3 Lallemantia peltata (L.) Fisch. & C.A. Mey. lion's heart CHMA18 Chaiturus marrubiastrum (L.) Reichenb. lion's tail BIOR Bixa orellana L. lipsticktree CYCI4 Cyanthillium cinereum (L.) H.E. Robins. little ironweed ERMI5 Eragrostis minor Host little lovegrass BRMI2 Briza minor L. little quakinggrass PLPA3 Plectranthus parviflorus Willd. little spurflower ORPE80 Ornithopus perpusillus L. little white bird's-foot TICO2 Tilia cordata P. Mill. littleleaf linden CAMI2 Camelina microcarpa DC. littlepod false flax PHMI3 Phalaris minor Retz. littleseed canarygrass COTO2 Congea tomentosa Roxb. lluvia de orquideas PONI Populus nigra L. Lombardy poplar SIIR Sisymbrium irio L. London rocket EREL2 Eragrostis elongata (Willd.) Jacq. f. long lovegrass PAAR3 Papaver argemone L. long pricklyhead poppy CRLO3 Crotalaria longirostrata Hook. & Arn. longbeak rattlebox ERBO Erodium botrys (Cav.) Bertol. longbeak stork's bill CAEX8 Carex extensa Goodenough longbract sedge OEAF Oenothera affinis Camb. longflower evening-primrose NILO Nicotiana longiflora Cav. longflower tobacco EHLO3 Ehrharta longiflora Sm. longflowered veldtgrass TILO Tibouchina longifolia (Vahl) Baill. ex Cogn. longleaf glorytree SCLO2 Schinus longifolius (Lindl.) Speg. longleaf peppertree LULO2 Ludwigia longifolia (DC.) Hara longleaf primrose-willow VELO2 Veronica longifolia L. longleaf speedwell ROSA Rorippa sarmentosa (G. Forst. ex DC.) J.F. Macbr. longrunner STLO6 Stachys longispicata Boiss. longspike hedgenettle GECO Geranium columbinum L. longstalk cranesbill APSP Apera spica-venti (L.) Beauv. loose silkybent AVST2 Avena strigosa Schreb. lopsided oat ERJA3 Eriobotrya japonica (Thunb.) Lindl. loquat LOBA5 Lotononis bainesii Baker lotononis GLLO Glinus lotoides L. lotus sweetjuice CYLO11 Cynanchum louiseae Kartesz & Gandhi Louis' swallow-wort AMCA3 Amaranthus caudatus L. love-lies-bleeding GYMU Gypsophila muralis L. low babysbreath CYPU3 Cyperus pumilus L. low flatsedge MARO11 Malva rotundifolia L. low mallow ACHU Acanthospermum humile (Sw.) DC. low starburr THPE3 Thevetia peruviana (Pers.) K. Schum. luckynut TRLU Trifolium lupinaster L. lupine clover MAIN8 Macadamia integrifolia Maiden & Betche macadamia nut ROBR Rosa bracteata J.C. Wendl. Macartney rose HEBI4 Heliconia bihai (L.) L. macawflower ERBE3 Erythrina berteriana Urban machete DIMI3 Digitaria milanjiana (Rendle) Stapf Madagascar crabgrass CYPH Cyperus phaeolepis Cherm. Madagascar flatsedge NEAR Neyraudia arundinacea (L.) Henr. Madagascar grass CARO14 Catharanthus roseus (L.) G. Don Madagascar periwinkle SEMA15 Senecio madagascariensis Poir. Madagascar ragwort CRMA10 Cryptostegia madagascariensis Bojer ex Dcne. Madagascar rubbervine KABL Kalanchoe blossfeldiana Poelln. Madagascar widow's-thrill ACTR2 Acicarpha tribuloides Juss. madam gorgon RUTI Rubia tinctoria L. madder GEMA10 Genista maderensis (Webb & Berth.) Lowe Madeira Dyer's greenweed LICA22 Lilium candidum L. Madonna lily EUHE2 Euphorbia helioscopia L. madwoman's milk CYMA2 Cynodon magennisii Hurcombe Magennis' dogstooth grass PRMA Prunus mahaleb L. Mahaleb cherry HIEL Hibiscus elatus Sw. mahoe DIDE Dianthus deltoides L. maiden pink GIBI2 Ginkgo biloba L. maidenhair tree MUCO3 Muehlenbeckia complexa Meisn. maidenhair vine SIVU Silene vulgaris (Moench) Garcke maidenstears MEMA Melastoma malabathricum L. Malabar melastome SYJA Syzygium jambos (L.) Alston Malabar plum CLCO7 Cladium colocasia (L.) W. Wight malanga SYMA2 Syzygium malaccense (L.) Merr. & Perry Malaysian apple CUCO7 Cullen corylifolia (L.) Medik. Malaysian scurfpea COAL4 Convolvulus althaeoides L. mallow bindweed CEME2 Centaurea melitensis L. Maltese star-thistle LYCH3 Lychnis chalcedonica L. maltesecross LERA5 Leymus racemosus (Lam.) Tzvelev mammoth wildrye THDU Thladiantha dubia Bunge Manchu tubergourd LORU3 Lonicera ruprechtiana Regel Manchurian honeysuckle ZILA3 Zizania latifolia (Griseb.) Turcz. ex Stapf Manchurian wildrice LYBA3 Lysimachia barystachys Bunge Manchurian yellow loosestrife ACCA32 ×Achnella caduca (Beal) Barkworth [Achnatherum hymenoides × Nassella viridula] Mandan ricegrass MAIN3 Mangifera indica L. mango GAMA10 Garcinia mangostana L. mangosteen ZOMA2 Zoysia matrella (L.) Merr. Manila grass ZOMAM Zoysia matrella (L.) Merr. var. matrella Manila grass ZOMAP Zoysia matrella (L.) Merr. var. pacifica Gouds. Manila grass EUVI Eucalyptus viminalis Labill. manna gum JUPO2 Juncus polyanthemos Buch. manyflower rush POPO3 Polygonum polycnemoides Jaubert & Spach manyleg knotweed CHPO Chenopodium polyspermum L. manyseed goosefoot CHPOA Chenopodium polyspermum L. var. acutifolium (Sm.) Gaud. manyseed goosefoot CHPOO Chenopodium polyspermum L. var. obtusifolium Gaud. manyseed goosefoot FOPO3 Forchhammeria polyandra (Griseb.) Alain manystamen forchhammeria LEMU11 Leymus multicaulis (Kar. & Kir.) Tzvelev manystem wildrye RAMA4 Ranunculus marginatus d'Urv. margined buttercup RAMAT Ranunculus marginatus d'Urv. var. trachycarpus (Fisch. & C.A. Mey.) Arn. margined buttercup LAMA9 Lappula marginata (Bieb.) Guerke margined stickseed CHFR5 Chrysanthemum frutescens L. marguerite CASA3 Cannabis sativa L. marijuana CASAI Cannabis sativa L. ssp. indica (Lam.) E. Small & Cronq. marijuana CASAS10 Cannabis sativa L. ssp. sativa var. spontanea Vavilov marijuana CASAS3 Cannabis sativa L. ssp. sativa marijuana CASAS9 Cannabis sativa L. ssp. sativa var. sativa marijuana GASP3 Galium spurium L. Marin County bedstraw EUTE8 Euphrasia tetraquetra (Brèb) Arrondeau maritime eyebright† PIPI6 Pinus pinaster Soland., non Ait. maritime pine STJA8 Streptosolen jamesonii (Benth.) Miers marmalade bush GNUL Gnaphalium uliginosum L. marsh cudweed TAPA9 Taraxacum palustre (Lyons) Symons marsh dandelion EPPA8 Epipactis palustris (L.) Crantz marsh orchid CYLE7 Cyclospermum leptophyllum (Pers.) Sprague ex Britt. & Wilson marsh parsley CIPA6 Cirsium palustre (L.) Scop. marsh thistle CHHU Chenopodium humile Hook. marshland goosefoot POHY Polygonum hydropiper L. marshpepper knotweed TRMA6 Trimezia martinicensis (Jacq.) Herbert Martinique trimezia MIJA Mirabilis jalapa L. marvel of Peru EVFI Evolvulus filipes Mart. Maryland dwarf morning-glory ZOTE Zoysia tenuifolia Willd. ex Thiele Mascarene grass PHTE5 Phyllanthus tenellus Roxb. Mascarene Island leaf-flower PEOS2 Peucedanum ostruthium (L.) W.D.J. Koch masterwort AMBL Amaranthus blitoides S. Wats. mat amaranth ACAM2 Acalypha amentacea Roxb. match me if you can NAST3 Nardus stricta L. matgrass LYBA4 Lycium barbarum L. matrimony vine CHJA2 Chaenomeles japonica (Thunb.) Lindl. ex Spach Maule's quince CACA29 Canavalia cathartica Thouars maunaloa AMMA2 Ampelodesmos mauritanica (Poir.) T. Dur. & Schinz Mauritanian grass APMU2 Apluda mutica L. Mauritian grass FUFO Furcraea foetida (L.) Haw. Mauritius hemp LEMA8 Leucanthemum maximum (Ramond) DC. max chrysanthemum ATMA8 Atriplex maximowicziana Makino Maximowicz's saltbush MAPE3 Malvaviscus penduliflorus DC. mazapan POBI5 Polygonum bistorta L. meadow bistort‡ POBIB2 Polygonum bistorta L. var. bistorta meadow bistort BRCO4 Bromus commutatus Schrad. meadow brome PUDY Pulicaria dysenterica (L.) Bernh. meadow false fleabane ALPR3 Alopecurus pratensis L. meadow foxtail GEPR4 Geranium pratense L. meadow geranium HICA10 Hieracium caespitosum Dumort. meadow hawkweed CEDE5 Centaurea debeauxii Gren. & Godr. meadow knapweed CEDET Centaurea debeauxii Gren. & Godr. ssp. thuillieri Dostál meadow knapweed CEMO6 Centaurea ×moncktonii C. E. Britton meadow knapweed LAPR Lathyrus pratensis L. meadow pea LOPR7 Lolium pratense (Huds.) S.J. Darbyshire meadow ryegrass STPA7 Stellaria palustris (Murr.) Retz. meadow starwort SPMA10 Spergularia maritima (All.) Chiov. media sandspurry MEMO10 Medicago monantha (C.A. Mey.) Trautv. medick HOMAG Hordeum marinum Huds. ssp. gussonianum (Parl.) Thellung Mediterranean barley BRLA7 Bromus lanceolatus Roth Mediterranean brome GELI5 Genista linifolia L. Mediterranean broom BRFR3 Brassica fruticulosa Cyr. Mediterranean cabbage TRSP82 Trifolium spumosum L. Mediterranean clover COVA4 Coronilla valentina L. Mediterranean crownvetch SCPE11 Scrophularia peregrina L. Mediterranean figwort ROCR3 Rostraria cristata (L.) Tzvelev Mediterranean hairgrass TOAP2 Tordylium apulum L. Mediterranean hartwort BETR Bellardia trixago (L.) All. Mediterranean lineseed ERBA2 Eragrostis barrelieri Daveau Mediterranean lovegrass MEPR Medicago praecox DC. Mediterranean medick ALPA20 Allium paniculatum L. Mediterranean onion LEHI5 Lepidium ?hirtum (L.) Sm. Mediterranean pepperweed POMA10 Polypogon maritimus Willd. Mediterranean rabbitsfoot grass SIER5 Sisymbrium erysimoides Desf. Mediterranean rocket ROSE8 Rosa serafinii Viviani Mediterranean rose SAAE Salvia aethiopis L. Mediterranean sage ERMA6 Erodium malacoides (L.) L'Hér. ex Ait. Mediterranean stork's bill MESU2 Melilotus sulcatus Desf. Mediterranean sweetclover POOC3 Posidonia oceania (L.) Delile Mediterranean tapeweed TACA8 Taeniatherum caput-medusae (L.) Nevski medusahead MAHY4 Mansoa hymenacea (DC.) A.H. Gentry membranous garlicvine ROWI Rosa wichuraiana Crépin memorial rose CUME2 Cutandia memphitica (Spreng.) Benth. Memphisgrass PRJU3 Prosopis juliflora (Sw.) DC. mesquite ALPL5 Alocasia plumbea K. Koch ex Van Houtte metallic taro COME15 Cotula mexicana (DC.) Cabrera Mexican brassbuttons SAPR6 Sanvitalia procumbens Lam. Mexican creeping zinnia PAFA4 Paspalum fasciculatum Willd. ex Flueggé Mexican crowngrass PSCH Pseudogynoxys chenopodioides Kunth Mexican flamevine IXUN Ixophorus unisetus (J. Presl) Schlechter Mexican grass PHPH2 Physalis philadelphica Lam. Mexican groundcherry PHPHI Physalis philadelphica Lam. var. immaculata Waterfall Mexican groundcherry CAME Caesalpinia mexicana Gray Mexican holdback PLAM2 Plectranthus amboinicus (Lour.) Spreng. Mexican mint PHHE8 Phytolacca heteropetala H. Walt. Mexican pokeweed ACCL7 Achnatherum clandestinum (Hack.) Barkworth Mexican ricegrass SALO6 Salvia longistyla Benth. Mexican sage EUCO24 Euphorbia cotinifolia L. Mexican shrubby spurge SEME3 Sedum mexicanum Britt. Mexican stonecrop CHAM Chenopodium ambrosioides L. Mexican tea CHAMA16 Chenopodium ambrosioides L. var. ambrosioides Mexican tea CHAMO2 Chenopodium ambrosioides L. var. obovatum Speg. Mexican tea ZEME Zea mexicana (Schrad.) Kuntze Mexican teosinte HUFU Hunnemannia fumariifolia Sweet Mexican tulip poppy LOER3 Lophospermum erubescens D. Don Mexican twist MABA5 Maurandya barclaiana Lindl. Mexican viper KOSC Kochia scoparia (L.) Schrad. Mexican-fireweed CYME4 Cyperus meyenianus Kunth Meyen's flatsedge PHME80 Phyllostachys meyeri McClure Meyer's bamboo THPA7 Thymelaea passerina (L.) Coss. & Germ. mezereon OCSE2 Ochna serrulata (Hochst.) Walp. Mickey Mouse plant JAAG Jacquemontia agrestis (Mart. ex Choisy) Meisn. midnightblue clustervine IPCA Ipomoea cairica (L.) Sweet mile a minute vine COLA18 Cotoneaster lacteus W.W. Smith milkflower cotoneaster GALA13 Gadellia lactiflora (Bieb.) Schulkina milky bellflower POFR5 Polyscias fruticosa (L.) H.A.T. Harms Ming aralia MODI4 Mosla dianthera (Buch.-Ham. ex Roxb.) Maxim. miniature beefsteakplant CYPR17 Cyperus prolifer Lam. miniature flatsedge TAMI2 Tagetes minima L. miniature marigold MAMI4 Mazus miquelii Makino Miquel's mazus PEPO4 Pennisetum polystachyon (L.) J.A. Schultes mission grass PEPOS Pennisetum polystachyon (L.) J.A. Schultes ssp. setosum (Sw.) Brunken mission grass JUSP4 Justicia spicigera Schlect. mohintli SOARU Sonchus arvensis L. ssp. uliginosus (Bieb.) Nyman moist sowthistle MEMI2 Melinis minutiflora Beauv. molassesgrass DRMO Dracocephalum moldavica L. Moldavian dragonhead EULA4 Euphorbia lathyris L. moleplant MISC2 Microsorum scolopendria (Burm. f.) Copeland monarch fern VEFA Venidium fastuosum (Jacq.) Stapf monarch of the veld AMBA3 Ammannia baccifera L. monarch redstem† HIRA Hibiscus radiatus Cav. monarch rosemallow DEPA10 Deutzia parviflora Bunge Mongolian pride-of-Rochester PICR3 Pithecoctenium crucigerum (L.) A.H. Gentry monkey's-comb PIDU Pithecellobium dulce (Roxb.) Benth. monkeypod ENCY Enterolobium cyclocarpum (Jacq.) Griseb. monkeysoap AMAC4 Ampelopsis aconitifolia Bunge monkshoodvine CNMO Cnidium monnieri (L.) Cusson ex Juss. Monnier's snowparsley CRCR6 Crocosmia ×crocosmiiflora (V. Lemoine) N.E. Br. [aurea × pottsii] montbretia CIMO7 Cistus monspeliensis L. Montpelier cistus HAMA7 Harrisia martinii (Labouret) Britt. mooncactus SELI2 Seseli libanotis (L.) W.D.J. Koch mooncarrot SPMO2 Spergula morisonii Boreau Morison's spurry BECO2 Begonia convolvulacea A. DC. morning-glory begonia LIMA3 Linaria maroccana Hook. f. Moroccan toadflax CYMU7 Cyanopsis muricata (L.) Dostál Morocco knapweed CRAL11 Crescentia alata Kunth morrito LOMO2 Lonicera morrowii Gray Morrow's honeysuckle TRMI8 Tragopogon miscellus Ownbey Moscow salsify CYPR2 Cyperus prolixus Kunth mosquito flatsedge SCSC6 Scleria scabriuscula Schlecht. mosquito nutrush DAVI2 Dasypyrum villosum (L.) Coss. & Durieu ex P. Candargy mosquitograss CRTI Crassula tillaea Lester-Garland moss pygmyweed SISA10 Sida santaremensis Monteiro moth fanpetals VEBL Verbascum blattaria L. moth mullein SOSO Soleirolia soleirolii (Req.) Dandy mother of thousands THPR Thymus praecox Opiz mother of thyme ARLA24 Aristolochia labiata Willd. mottled dutchman's pipe EULA8 Euphorbia lactea Haw. mottled spurge ODCU Odontonema cuspidatum (Nees) Kuntze mottled toothedthread BAVA Bauhinia variegata L. mountain ebony EUGO2 Eucalyptus goniocalyx F. Muell. ex Miq. mountain graygum ERPO5 Erythrina poeppigiana (Walp.) O.F. Cook mountain immortelle SIMO3 Sideritis montana L. mountain ironwort SCAT Scabiosa atropurpurea L. mourningbride HOMU Hordeum murinum L. mouse barley ARTH Arabidopsis thaliana (L.) Heynh. mouseear cress HIPI Hieracium pilosella L. mouseear hawkweed HIPIN Hieracium pilosella L. var. niveum Muell.-Arg. mouseear hawkweed HIPIP Hieracium pilosella L. var. pilosella mouseear hawkweed PIAT4 Pistacia atlantica Desf. Mt. Atlas mastic tree ALMO11 Aleurites montana (Lour.) P. Wilson mu oil tree ATMU Atriplex muelleri Benth. Mueller's saltbush PIMU80 Pinus mugo Turra mugo pine ACAN10 Acacia aneura F. Muell. ex Benth. mulga SODO3 Solanum donianum Walp. mullein nightshade ROMU Rosa multiflora Thunb. ex Murr. multiflora rose SABE8 Saccharum bengalense Retz. Munj sweetcane RUAL3 Rumex alpinus L. Munk's rhubarb MAMO2 Malva moschata L. musk mallow ABMO Abelmoschus moschatus Medik. musk okra ROMO Rosa moschata J. Herrm. musk rose HYMO4 Hydrocotyle moschata G. Forst. musky marshpennywort ERMO7 Erodium moschatum (L.) L'Hér. ex Ait. musky stork's bill ERMOM Erodium moschatum (L.) L'Hér. ex Ait. var. moschatum musky stork's bill ERMOP Erodium moschatum (L.) L'Hér. ex Ait. var. praecox Lange musky stork's bill TAMI3 Tagetes minuta L. muster John Henry SOMU2 Soliva mutisii Kunth Mutis' burrweed EUMY2 Euphorbia myrsinites L. myrtle spurge ALCA8 Albizia carbonaria Britt. naked albizia DINU Digitaria nuda Schumacher naked crabgrass MUNU Murdannia nudiflora (L.) Brenan nakedstem dewflower COOL Corchorus olitorius L. nalta jute PRTO80 Prunus tomentosa Thunb. Nanking cherry PANA Panicum napaliense Davidse Napali panicgrass BAMO2 Bauhinia monandra Kurz Napoleon's plume SOQU Solanum quitoense Lam. naranjilla AGBR4 Agrostemma brachyloba (Fenzl) Hammer narrow corncockle NECO3 Nephrolepis cordifolia (L.) K. Presl narrow swordfern LOGL10 Lotus glaber P. Mill. narrow-leaf bird's-foot trefoil COPU18 Conicosia pugioniformis (L.) N.E. Br. narrow-leaved iceplant VADE3 Valerianella dentata (L.) Pollich narrowfruit cornsalad ZIAN2 Zinnia angustifolia Kunth narrowlead zinnia ANAN5 Angelonia angustifolia Benth. narrowleaf angelon LOTE4 Lotus tenuis Waldst. & Kit. ex Willd. narrowleaf bird's-foot trefoil CAIM Cardamine impatiens L. narrowleaf bittercress TYAN Typha angustifolia L. narrowleaf cattail LOGA2 Logfia gallica (L.) Coss. & Germ. narrowleaf cottonrose TRAN6 Trifolium angustifolium L. narrowleaf crimson clover CRAN11 Crucianella angustifolia L. narrowleaf crucianella RUST4 Rumex stenophyllus Ledeb. narrowleaf dock PYAN Pyracantha angustifolia (Franch.) Schneid. narrowleaf firethorn CRTE3 Crepis tectorum L. narrowleaf hawksbeard GAAN5 Galeopsis angustifolia Ehrh. ex Hoffmann narrowleaf hempnettle POBE Polygonum bellardii All. narrowleaf knotweed LUAN4 Lupinus angustifolius L. narrowleaf lupine PLLA Plantago lanceolata L. narrowleaf plantain HOLA3 Hosta lancifolia Engl. narrowleaf plantain lily EUCR Eucalyptus crebra F. Muell. narrowleaf red ironbark BUOD2 Bupleurum odontites L. narrowleaf thorow wax POSA13 Pouteria sapota (Jacq.) H.E. Moore & Stearn naseberry TRMA7 Tropaeolum majus L. nasturtium CLGL2 Clerodendrum glabrum E. Mey. Natal glorybower STSP8 Strychnos spinosa Lam. Natal orange SOST5 Sorghastrum stipoides (Kunth) Nash needle Indiangrass SELI10 Sedum lineare Thunb. needle stonecrop VINE2 Vitex negundo L. negundo chastetree VINEH Vitex negundo L. var. heterophylla (Franch.) Rehd. negundo chastetree VINEI Vitex negundo L. var. intermedia (P'ei) Moldenke negundo chastetree VINEN Vitex negundo L. var. negundo negundo chastetree ALNE2 Alnus nepalensis D. Don Nepal alder MIVI Microstegium vimineum (Trin.) A. Camus Nepalese browntop PONE9 Polygonum nepalense Meisn. Nepalese smartweed CHMU2 Chenopodium murale L. nettleleaf goosefoot STUR Stachytarpheta urticifolia Sims nettleleaf velvetberry KAIN2 Kalanchoe integra (Medik.) Kuntze neverdie KAINC Kalanchoe integra (Medik.) Kuntze var. crenata (Andr.) Cufod. neverdie KAINV Kalanchoe integra (Medik.) Kuntze var. verea (Jacq.) Cufod. neverdie HISA4 Hieracium sabaudum L. New England hawkweed PHTE8 Phormium tenax J.R. & G. Forst. New Zealand flax GERE Geranium retrorsum L'Hér. ex DC. New Zealand geranium HESP Hebe speciosa (R. Cunningham ex A. Cunningham) J.C. Andersen New Zealand hebe SOAV Solanum aviculare G. Forst. New Zealand nightshade TETE3 Tetragonia tetragonioides (Pallas) Kuntze New Zealand spinach MYLA5 Myoporum laetum G. Forst. ngaio tree PECO38 Pennisetum complanatum (Nees) Hemsl. Nicaraguan fountaingrass STER2 Stylosanthes erecta Beauv. Nigerian stylo PSPR Pseuderanthemum praecox (Benth.) Leonard night and afternoon CENO Cestrum nocturnum L. night jessamine MALO3 Matthiola longipetala (Vent.) DC. night scented stock SINO Silene noctiflora L. nightflowering silene LENI2 Leucanthemum nipponicum Franch. ex Maxim. Nippon daisy PHDE4 Phyllanthus debilis Klein ex Willd. niruri GAPH2 Gastridium phleoides (Nees & Meyen) C.E. Hubbard nit grass ACNO Achillea nobilis L. noble yarrow SIPE3 Silene pendula L. nodding catchfly HYPE8 Hypecoum pendulum L. nodding hypecoum CANU4 Carduus nutans L. nodding plumeless thistle CANUL Carduus nutans L. ssp. leiophyllus (Petrovic) Stojanov & Stef. nodding plumeless thistle CANUM Carduus nutans L. ssp. macrocephalus (Desf.) Nyman nodding plumeless thistle CANUM2 Carduus nutans L. ssp. macrolepis (Peterm.) Kazmi nodding plumeless thistle CANUN Carduus nutans L. ssp. nutans nodding plumeless thistle SANU5 Salvia nutans L. nodding sage NAIN Narcissus ×incomparabilis P. Mill. (pro sp.) [poeticus × pseudonarcissus] nonesuch daffodil VEDU Ventenata dubia (Leers) Coss. & Durieu North Africa grass CEDI4 Centaurea diluta Ait. North African knapweed NENO Neomarica northiana (Schneev.) Sprague North's false flag EUMI10 Euphrasia micrantha Reichenb. northern eyebright ACPL Acer platanoides L. Norway maple PIAB Picea abies (L.) Karst. Norway spruce PHTA2 Phaius tancarvilleae (Banks ex L'Hér.) Blume nun's-hood orchid CYRO Cyperus rotundus L. nutgrass MYFR3 Myristica fragrans Houtt. nutmeg KHNY2 Khaya nyasica Stapf ex E.G. Baker Nyasaland mahogany LULU3 Luzula luzuloides (Lam.) Dandy & Wilmott oakforest woodrush PEPA52 Pelargonium panduriforme Ecklon & Zeyh. oakleaf garden geranium PEQU5 Pelargonium quercifolium (L. f.) L'Hér. ex Ait. oakleaf geranium CHGL3 Chenopodium glaucum L. oakleaf goosefoot SOHY3 Sorbus hybrida L. oakleaf mountain ash ATOB2 Atriplex oblongifolia Waldst. & Kit. oblongleaf orache IPOB Ipomoea obscura (L.) Ker-Gawl. obscure morning-glory IPIN Ipomoea indica (Burm. f.) Merr. oceanblue morning-glory SCAC2 Schefflera actinophylla (Endl.) H.A.T. Harms octopus tree ELRU2 Eleutheranthera ruderalis (Sw.) Schultz-Bip. ogiera† DILI8 Dipogon lignosus (L.) Verdc. okie bean ABES Abelmoschus esculentus (L.) Moench okra CYCY Cyperus cyperinus (Retz.) Sur. Old World flatsedge SEVU Senecio vulgaris L. old-man-in-the-Spring WEFL2 Weigela florida (Bunge) A. DC. oldfashioned weigela GYOL Gypsophila oldhamiana Miq. Oldham's babysbreath GIPH Gisekia pharnacioides L. oldmaid POCO30 Polycarpaea corymbosa (L.) Lam. oldman's cap NEOL Nerium oleander L. oleander OLEU Olea europaea L. olive IMOL Impatiens oliveri C. Wright ex W. Wats. Oliver's touch-me-not VIAR81 Vicia articulata Hornem. oneflower vetch ROMI3 Rorippa microphylla (Boenn. ex Reichenb.) Hyl. ex A.& D. Löve onerow yellowcress CRMO3 Crataegus monogyna Jacq. oneseed hawthorn GASE3 Galenia secunda (L. f.) Sonder onesided galenia ASFI2 Asphodelus fistulosus L. onionweed TRMI10 Tragopogon mirabilis Rouy Ontario goatsbeard PASO2 Papaver somniferum L. opium poppy SASO3 Salsola soda L. oppositeleaf Russian thistle COFR3 Cotoneaster franchetii Boiss. orange cotoneaster HEFU Hemerocallis fulva (L.) L. orange daylily BUDA2 Buddleja davidii Franch. orange eye butterflybush HIAU Hieracium aurantiacum L. orange hawkweed CEAU2 Cestrum aurantiacum Lindl. orange jessamine LIBU Lilium bulbiferum L. orange lily VEPH Verbascum phlomoides L. orange mullein SEKA Sedum kamtschaticum Fisch. & C.A. Mey. orange stonecrop SEKAE Sedum kamtschaticum Fisch. & C.A. Mey. ssp. ellacombianum (Praeger) Clausen orange stonecrop ACSA Acacia saligna (Labill.) Wendl. f. orange wattle SOLA Solanum lanceolatum Cav. orangeberry nightshade DAGL Dactylis glomerata L. orchardgrass DAGLG Dactylis glomerata L. ssp. glomerata orchardgrass ORVU Origanum vulgare L. oregano PLOR80 Platycladus orientalis (L.) Franco oriental arborvitae ASOR6 Asperula orientalis Boiss. & Hohen. oriental asperula RARUO Rapistrum rugosum (L.) All. ssp. orientale (L.) Arcang. oriental bastardcabbage YOJA Youngia japonica (L.) DC. oriental false hawksbeard EROR7 Eremopyrum orientale (L.) Jaubert & Spach oriental false wheatgrass TEOR Teucrium orientale L. oriental germander COOR4 Consolida orientalis (J. Gay) Schroedinger oriental knight's-spur POCA49 Polygonum caespitosum Blume oriental ladysthumb‡ POCAC4 Polygonum caespitosum Blume var. ?caespitosum oriental ladysthumb EUESO Euphorbia esula L. var. orientalis Boiss. oriental leafy spurge LEFO3 Lespedeza formosa (Vogel) Koehne oriental lespedeza BRGY Bruguiera gymnorrhiza (L.) Lam. oriental mangrove EDPA Edgeworthia papyrifera Sieb. & Zucc. oriental paperbush PHVI81 Photinia villosa (Thunb.) DC. oriental photinia PAOR5 Papaver orientale L. oriental poppy TROR Trema orientale (L.) Blume oriental trema ANEV Angiopteris evecta (J.R. Forst.) Hoffmann oriental vessel fern CLOR Clematis orientalis L. oriental virginsbower IMGL Impatiens glandulifera Royle ornamental jewelweed FOMA2 Fortunella margarita (Lour.) Swingle oval kumquat SPLA11 Spermacoce latifolia Aubl. oval-leaf false buttonweed POAR11 Polygonum arenastrum Jord. ex Boreau oval-leaf knotweed AEGE Aegilops geniculata Roth ovate goatgrass GASP9 Gamochaeta sphacilata (Kunth) Cabrera owl's crown LEVU Leucanthemum vulgare Lam. oxeye daisy SESQ Senecio squalidus L. oxford ragwort ENCO2 Enterolobium contortisiliquum (Vell.) Morong pacara earpod tree AGAV Agrostis avenacea J.F. Gmel. Pacific bentgrass SPEX Spermacoce exilis (L.O. Williams) C. Adams Pacific false buttonweed MIFL3 Miscanthus floridulus (Labill.) Warb. ex K. Schum. & Laut. Pacific Island silvergrass CIBU2 Cinnamomum burmannii (Nees & Th. Nees) Nees ex Blume Padang cassia SASI19 Salpiglossis sinuata Ruiz & Pavón painted tongue CRGR6 Cryptostegia grandiflora (Roxb. ex R. Br.) R. Br. Palay rubbervine LIBI5 Linum bienne P. Mill. pale flax ALAL3 Alyssum alyssoides (L.) L. pale madwort IRPS Iris pseudacorus L. paleyellow iris URBR2 Urochloa brizantha (C. Hochstetter ex A. Rich.) R. Webster palisade signalgrass KAGA Kalanchoe gastonis-bonnieri Hamet & Perrier palm beachbells CUCA3 Curculigo capitulata (Lour.) Kuntze palm-grass SEPA6 Setaria palmifolia (Koenig) Stapf palmgrass POCO15 Potentilla collina Wibel palmleaf cinquefoil RUSI4 Rubus sieboldii Blume palmleaf dewberry CAPA65 Carludovica palmata Ruiz & Pavón Panama hat plant CAEL5 Castilla elastica Sessé Panama rubbertree STAP Sterculia apetala (Jacq.) Karst. Panama tree DIER Digitaria eriantha Steud. pangolagrass URPA Urochloa panicoides Beauv. panic liverseed grass EHER Ehrharta erecta Lam. panic veldtgrass HYPA Hydrangea paniculata Sieb. panicled hydrangea AEPA4 Aeschynomene paniculatus Willd. ex Vog. pannicle jointvetch CAPA23 Carica papaya L. papaya BRPA4 Broussonetia papyrifera (L.) L'Hér. ex Vent. paper mulberry BOGL4 Bougainvillea glabra Choisy paperflower NAPA3 Narcissus papyraceus Ker-Gawl. paperwhite narcissus CYPA8 Cyperus papyrus L. papyrus URMU Urochloa mutica (Forsk.) T.Q. Nguyen para grass MAPU Malus pumila P. Mill. paradise apple DAME3 Daphne mezereum L. paradise plant ACPA8 Acacia paradoxa DC. paradox acacia ILPA2 Ilex paraguayensis St.-Hil. Paraguay tea RUPA24 Rumex paraguayensis Parodi Paraguayan dock POAM13 Portulaca amilis Speg. Paraguayan purslane ACAU2 Acanthospermum australe (Loefl.) Kuntze Paraguayan starburr CHCA6 Chloris canterai Arech. Paraguayan windmill grass CHCAC5 Chloris canterai Arech. var. canterai Paraguayan windmill grass CHCAG3 Chloris canterai Arech. var. grandiflora (Roseng. & Izag.) D.E. Anderson Paraguayan windmill grass HEPS2 Heliconia psittacorum L. f. parakeetflower MATA3 Macaranga tanarius (L.) Muell.-Arg. parasol leaf tree TRBO5 Triumfetta bogotensis DC. parquet burr MYAQ2 Myriophyllum aquaticum (Vell.) Verdc. parrot feather watermilfoil PECR2 Petroselinum crispum (P. Mill.) Nyman ex A.W. Hill parsley EULE6 Euphorbia leucocephala Lotsy pascuita CRPA20 Crepis pannonica (Jacq.) K. Koch pasture hawksbeard CEBO Centaurea bovina Velen. pasture knapweed CYPR10 Cyathula prostrata (L.) Blume pastureweed RUPA5 Rumex patientia L. patience dock SATH5 Sageretia thea (Osbeck) M.C. Johnston pauper's-tea PRPE3 Prunus persica (L.) Batsch peach CAPE20 Campanula persicifolia L. peachleaf bellflower LEDEP2 Leptochloa decipiens (R. Br.) Stapf ex Maiden ssp. peacockii (Maiden & Betche) N. Snow peacock sprangletop FAMO Falcataria moluccana (Miquel) Barneby & Grimes peacocksplume ARHY Arachis hypogaea L. peanut TRPO6 Trifolium polymorphum Poir. peanut clover PEGL2 Pennisetum glaucum (L.) R. Br. pearl millet ACPO2 Acacia podalyriifolia A. Cunningham ex G. Don pearl wattle VAGL2 Vallesia glabra (Cav.) Link pearlberry HESU4 Heterocentron subtriplinervium (Link & Otto) A. Braun & Bouché pearlflower FIRE3 Ficus religiosa L. peepul tree COAC2 Cotoneaster acutifolius Turcz. Peking cotoneaster SYREP Syringa reticulata (Blume) Hara ssp. pekinensis (Rupr.) P.S. Greene & M.C. Chang Peking tree lilac ARGR2 Aristolochia grandiflora Sw. pelicanflower ARPE7 Aristolochia peltata L. peltate dutchman's pipe† TIPE Tilia petiolaris DC. pendent silver linden MAMA28 Macaranga mappa (L.) Muell.-Arg. pengua MEPU Mentha pulegium L. pennyroyal MEPI Mentha ×piperita L. (pro sp.) [aquatica × spicata] peppermint JAIN Jatropha integerrima Jacq. peregrina JAINH Jatropha integerrima Jacq. var. hastata (Jacq.) Fosberg peregrina JAINI Jatropha integerrima Jacq. var. integerrima peregrina ATSU80 Atriplex suberecta I. Verd. peregrine saltbush CEMO Centaurea montana L. perennial cornflower ERPS80 Eriochloa pseudoacrotricha (Stapf ex Thellung) C.E. Hubbard ex S.T. Blake perennial cupgrass LURE Lunaria rediviva L. perennial honesty SCPE5 Scleranthus perennis L. perennial knawel LALA4 Lathyrus latifolius L. perennial pea BRME Briza media L. perennial quakinggrass LOPE Lolium perenne L. perennial ryegrass LOPEP Lolium perenne L. ssp. perenne perennial ryegrass NEWI2 Neonotonia wightii (Wight & Arn.) Lackey perennial soybean ZEPE Zea perennis (A.S. Hitchc.) Reeves & Manglesdorf perennial teosinte EHCA Ehrharta calycina Sm. perennial veldtgrass DITE4 Diplotaxis tenuifolia (L.) DC. perennial wallrocket LIPE Limonium perezii (Stapf) F.T. Hubbard Perez's sealavender GYPE Gypsophila perfoliata L. perfoliate babysbreath MEPE2 Melampodium perfoliatum (Cav.) Kunth perfoliate blackfoot PAVI12 Passiflora vitifolia Kunth perfumed passionflower NEMU3 Nepeta mussinii Henckel Persian catmint AECR Aegilops crassa Boiss. Persian goatgrass SYPE Syringa ×persica L. [afghanica × laciniata] Persian lilac LOPE2 Lolium persicum Boiss. & Hohen. ex Boiss. Persian ryegrass PHPE4 Physalis peruviana L. Peruvian groundcherry GLPE Glandularia peruviana (L.) Druce Peruvian mock vervain SOPE9 Solanum peruvianum L. Peruvian nightshade PARA6 Paspalum racemosum Lam. Peruvian paspalum SCMO Schinus molle L. Peruvian peppertree LUPE6 Ludwigia peruviana (L.) Hara Peruvian primrose-willow AMPE2 Ambrosia peruviana Willd. Peruvian ragweed ZIPE Zinnia peruviana (L.) L. Peruvian zinnia† PEHY Petasites hybridus (L.) P.G. Gaertn., B. Mey. & Scherb. pestilence wort PEPE31 Pennisetum petiolare (Hochst.) Chiov. petioled fountaingrass BAMU3 Bauhinia multinervia (Kunth) DC. petite flamboyant bauhinia NABU Narcissus bulbocodium L. petticoat daffodil EUPE6 Euphorbia peplus L. petty spurge AGCO4 Aglaonema commutatum Schott Philippine evergreen AGCOM Aglaonema commutatum Schott var. maculatum (Hook. f.) Nicolson Philippine evergreen SPPL Spathoglottis plicata Blume Philippine ground orchid LIPH4 Lilium philippinense Baker Philippine lily PAPH2 Paspalidium philippianum Parodi Philippine watercrown grass CRPE10 Cruciata pedemontana (Bellardi) Ehrend. piedmont bedstraw COOR2 Cotyledon orbiculata L. pig's ear COORO Cotyledon orbiculata L. var. oblongata (Haw.) DC. pig's ear CACA27 Cajanus cajan (L.) Millsp. pigeonpea ANCO30 Ananas comosus (L.) Merr. pineapple LIPI3 Linaria pinifolia (Poir.) Thellung pineneedle toadflax CLHA Cleome hassleriana Chod. pink queen TARO Tabebuia rosea (Bertol.) DC. pink trumpet-tree OXDE3 Oxalis debilis Kunth pink woodsorrel OXDEC Oxalis debilis Kunth var. corymbosa (DC.) Lourteig pink woodsorrel ARCI2 Arthrostemma ciliatum Pavón ex D. Don pinkfringe POCA21 Polygonum capitatum Buch.-Ham. ex D. Don pinkhead smartweed DIRO2 Dissotis rotundifolia (Sm.) Triana pinklady DAPI3 Dahlia pinnata Cav. pinnate dahlia SCPI3 Schkuhria pinnata (Lam.) Kuntze ex Thell. pinnate false threadleaf‡ SCPIP Schkuhria pinnata (Lam.) Kuntze ex Thell. var. pinnata pinnate false threadleaf TADI5 Tabernaemontana divaricata (L.) R. Br. ex Roemer & J.A. Schultes pinwheelflower HAGR3 Hackelochloa granularis (L.) Kuntze pitscale grass BOPE2 Bothriochloa pertusa (L.) A. Camus pitted beardgrass ERPL5 Eryngium planum L. plains eryngo URPL Urochloa plantaginea (Link) R. Webster plantain signalgrass PALO8 Paraserianthes lophantha (Willd.) I. Nielsen plume albizia MACO10 Macleaya cordata (Willd.) R. Br. plume poppy DIMI9 Dichelachne micrantha (Cav.) Domin plumegrass MAPR Malus prunifolia (Willd.) Borkh. plumleaf crabapple JAOF Jasminum officinale L. poet's jasmine NAPO Narcissus poeticus L. poet's narcissus EUPU9 Euphorbia pulcherrima Willd. ex Klotzsch poinsettia RAVO Rauvolfia vomitoria Afzelius poison devil's-pepper COMA2 Conium maculatum L. poison hemlock CRAS6 Crinum asiaticum L. poisonbulb EUDI9 Euphrasia disjuncta Fern. & Wieg. polar eyebright BUOF Buddleja officinalis Maxim. pole butterflybush RORE3 Rosa ×rehderiana Blackb. [chinensis × multiflora] polyantha rose SCGL Schizostachyum glaucifolium (Rupr.) Munro Polynesian 'ohe PUGR2 Punica granatum L. pomegranate CAST Callitriche stagnalis Scop. pond water-starwort DEIN6 Derris indica (Lam.) Bennett pongame oiltree SCPI Schizanthus pinnatus Ruiz & Pavón poorman's orchid ANARF Anagallis arvensis L. ssp. foemina (P. Mill.) Schinz & Thellung poorman's weatherglass ATHO2 Atriplex holocarpa F. Muell. pop saltbush HOCA6 Hoya carnosa (L. f.) R. Br. porcelainflower BAPR Barleria prionitis L. porcupine flower AEHI2 Aeschynomene histrix Poir. porcupine jointvetch AEHII Aeschynomene histrix Poir. var. incana (Vogel) Benth. porcupine jointvetch FIRU4 Ficus rubiginosa Desf. Port Jackson fig SEIT2 Senna italica P. Mill. Port Royal senna THPO3 Thespesia populnea (L.) Soland. ex Correa Portia tree PRLU Prunus lusitanica L. Portugal laurel LELA10 Leucanthemum lacustre (Brot.) Samp. Portuguese daisy CAOF Calendula officinalis L. pot marigold BRST2 Bromus sterilis L. poverty brome RAPL Ranunculus platensis Spreng. prairie buttercup TREC2 Trifolium echinatum Bieb. prickly clover SYAS Symphytum asperum Lepechin prickly comfrey URPI Urospermum picroides (L.) Scop. ex F.W. Schmidt prickly goldenfleece BEHE Berkheya heterophylla O. Hoffmann prickly gousblom CYGL8 Cynoglossum glochidiatum Wallich ex Benth. prickly hound's tongue LASE Lactuca serriola L. prickly lettuce ACVE2 Acacia verticillata (L'Hér.) Willd. prickly Moses SATR12 Salsola tragus L. prickly Russian thistle SCMU3 Scorpiurus muricatus L. prickly scorpion's-tail CASP10 Carex spicata Huds. prickly sedge DAIN2 Datura inoxia P. Mill. pricklyburr LASP Lagerstroemia speciosa (L.) Pers. pride of India ECCA5 Echium candicans L. f. pride of Madeira CAPU13 Caesalpinia pulcherrima (L.) Sw. pride-of-Barbados ENPR Enteropogon prieurii (Kunth) W.D. Clayton Prieur's umbrellagrass TADO2 Tabebuia donnell-smithii Rose primavera NAME2 Narcissus ×medioluteus P. Mill. (pro sp.) [poeticus × tazetta] primrose peerless AMHY2 Amaranthus hypochondriacus L. Prince-of-Wales feather SEPT Selenicereus pteranthus (Link ex A. Dietr.) Britt. & Rose princess of the night TIUR Tibouchina urvilleana (DC.) Cogn. princess-flower PATO2 Paulownia tomentosa (Thunb.) Sieb. & Zucc. ex Steud. princesstree GAOF Galega officinalis L. professor-weed PENA2 Petrorhagia nanteuilii (Burnat) P.W. Ball & Heywood proliferous pink ANSE6 Anthemis secundiramea Biv. prostrate chamomile LIPR5 Lindernia procumbens (Knock.) Borb. prostrate false pimpernel POAV Polygonum aviculare L. prostrate knotweed APPR2 Apium prostratum Labill. prostrate marshwort KOPR80 Kochia prostrata (L.) Schrad. prostrate summercypress VEOFP Verbena officinalis L. var. prostrata Gren. & Godr. prostrate verbena RUPR18 Ruellia prostrata Poir. prostrate wild petunia ROPR Rorippa prostrata (Bergeret) Schinz & Thellung prostrate yellowcress IBPR2 Iberis pruitii Tineo Pruit's candytuft LYMA3 Lythrum maritimum Kunth pukamole TRTE Tribulus terrestris L. puncturevine FIPA2 Ficus palmata Forsk. Punjab fig MEQU Melaleuca quinquenervia (Cav.) Blake punktree SCPU7 Scleria purdiei C.B. Clarke Purdie's nutrush† SOMA Solanum marginatum L. f. purple African nightshade AMBL2 Amaranthus blitum L. purple amaranth CADI Callicarpa dichotoma (Lour.) K. Koch purple beautyberry VINA Vicia narbonensis L. purple broad vetch TRPU15 Trifolium purpureum Lois. purple clover COVA2 Coronilla varia L. purple crownvetch LAPU2 Lamium purpureum L. purple deadnettle LAPUI Lamium purpureum L. var. incisum (Willd.) Pers. purple deadnettle LAPUP Lamium purpureum L. var. purpureum purple deadnettle BRDI2 Brachypodium distachyon (L.) Beauv. purple false brome DIPU Digitalis purpurea L. purple foxglove DIPUA Digitalis purpurea L. var. alba hort. purple foxglove DIPUP2 Digitalis purpurea L. var. purpurea purple foxglove PAED Passiflora edulis Sims purple granadilla LYSA2 Lythrum salicaria L. purple loosestrife MOAR6 Moricandia arvensis (L.) DC. purple mistress SPPU Spondias purpurea L. purple mombin MOCA2 Molinia caerulea (L.) Moench purple moorgrass VEPH2 Verbascum phoeniceum L. purple mullein COJU2 Cortaderia jubata (Lem.) Stapf purple pampas grass LIPU3 Linaria purpurea (L.) P. Mill. purple toadflax OXPU2 Oxalis purpurea L. purple woodsorrel LEHE2 Lepidium heterophyllum Benth. purpleanther field pepperweed CYSA3 Cyperus sanguindentus Vahl purpleglume flatsedge LIRE8 Linaria reticulata (Sm.) Desf. purplenet toadflax SAPU2 Salix purpurea L. purpleosier willow XAVI Xanthosoma violaceum Schott purplestem taro VEBO Verbena bonariensis L. purpletop vervain VEBOB Verbena bonariensis L. var. bonariensis purpletop vervain VEBOC Verbena bonariensis L. var. conglomerata Briq. purpletop vervain BUPU Buchnera pusilla Kunth pygmy bluehearts SAPU13 Saponaria pumilio (L.) Fenzl ex A. Braun pygmy pink STPA9 Stellaria parva Pedersen pygmy starwort ORPY Ornithogalum pyrenaicum L. Pyrenees star of Bethlehem CHCO14 Chrysanthemum coccineum Willd. pyrethum daisy ELRE4 Elymus repens (L.) Gould quackgrass QUAM Quassia amara L. quassia wood DACA6 Daucus carota L. Queen Anne's lace CICA16 Cirsium canum (L.) All. Queen Anne's thistle FIUL Filipendula ulmaria (L.) Maxim. queen of the meadow FIULD2 Filipendula ulmaria (L.) Maxim. ssp. denudata (J.& K. Presl) Hayek queen of the meadow FIULU Filipendula ulmaria (L.) Maxim. ssp. ulmaria queen of the meadow SEGR10 Selenicereus grandiflorus (L.) Britt. & Rose queen of the night CYCI3 Cycas circinalis L. queen sago PEVO Petrea volubilis L. queen's-wreath FLBR Flindersia brayleyana F. Muell. Queensland maple CYHY7 Cyperus hyalinus Vahl Queensland sedge GLSE2 Gliricidia sepium (Jacq.) Kunth ex Walp. quickstick CYOB2 Cydonia oblonga P. Mill. quince CIPU Cinchona pubescens Vahl quinine IRLA4 Iris laevigata Fisch. rabbitear iris TRAR4 Trifolium arvense L. rabbitfoot clover NERA2 Nepeta racemosa Lam. raceme catnip LYFL3 Lychnis flos-cuculi L. ragged robin BAPA3 Bauhinia pauletia Pers. railroadfence SASA10 Samanea saman (Jacq.) Merr. raintree CARA Campanula rapunculoides L. rampion bellflower REPH Reseda phyteuma L. rampion mignonette GUAB Guizotia abyssinica (L. f.) Cass. ramtilla QUIN10 Quisqualis indica L. Rangoon creeper BRNA Brassica napus L. rape COFO3 Commelina forskaolii Vahl rat's ear VUMY Vulpia myuros (L.) K.C. Gmel. rat-tail fescue SPINC3 Sporobolus indicus (L.) R. Br. var. capensis Engelm. rat-tail grass SEPU7 Sesbania punicea (Cav.) Benth. rattlebox BRBR5 Bromus briziformis Fisch. & C.A. Mey. rattlesnake brome CACR19 Calathea crotalifera S. Wats. rattlesnake plant SARA3 Saccharum ravennae (L.) L. ravennagrass AMCR4 Amaranthus cruentus L. red amaranth ODVE Odontites vernus (Bellardi) Dumort. red bartsia ODVES Odontites vernus (Bellardi) Dumort. ssp. serotinus (Dumort.) Corb. red bartsia ADPA Adenanthera pavonina L. red beadtree EUGU2 Eucalyptus gummifera (Soland. ex Gaertn.) Hochr. red bloodwood BRRU2 Bromus rubens L. red brome SIDI4 Silene dioica (L.) Clairville red catchfly TRPR2 Trifolium pratense L. red clover RUBU3 Rumex bucephalophorus L. red dock CHFU Chrysopogon fulvus (Spreng.) Chiov. red false beardgrass ALPU4 Alpinia purpurata (Vieill.) K. Schum. red ginger CRRU9 Crepis rubra L. red hawksbeard GALA Galeopsis ladanum L. red hempnettle GALAL Galeopsis ladanum L. var. ladanum red hempnettle GALAL2 Galeopsis ladanum L. var. latifolia (Hoffmann) Wallr. red hempnettle EUSI2 Eucalyptus sideroxylon A. Cunningham red ironbark MESA3 Melastoma sanguineum Sims red melastome ALRU4 Alysicarpus rugosus (Willd.) DC. red moneywort NOVE Nonea vesicaria (L.) Reichenb. red monkswort PAMA15 Passiflora manicata (Juss.) Pers. red passionflower LACI Lathyrus cicera L. red pea SPRU Spergularia rubra (L.) J.& K. Presl red sandspurry LYRA Lycoris radiata (L'Hér.) Herbert red spider lily CECA2 Centaurea calcitrapa L. red star-thistle CERU2 Centranthus ruber (L.) DC. red valerian EUPO Eucalyptus polyanthemos Schauer redbox IPAM Ipomoea amnicola Morong redcenter morning-glory ESRU4 Escallonia rubra (Ruiz & Pavón) Pers. redclaws ESRUM Escallonia rubra (Ruiz & Pavón) Pers. var. macrantha (Hook. & Arn.) Reiche redclaws PHRU7 Phyllostachys rubromarginata McClure reddish bamboo VIBE Vicia benghalensis L. reddish tufted vetch HERE6 Hemigraphis reptans (G. Forst.) T. Anders. ex Hemsl. redflame EUFI81 Eucalyptus ficifolia F. Muell. redflower gum CRCR9 Crassocephalum crepidioides (Benth.) S. Moore redflower ragleaf LACO5 Lampranthus coccineus (Haw.) N.E. Br. redflush EUCA Eucalyptus calophylla R. Br. redgum KNUV80 Kniphofia uvaria (L.) Oken redhot poker HEAL12 Hemigraphis alternata (Burm. f.) T. Anders. redivy RORU2 Rosa rubrifolia Vill. redleaf rose EURE2 Eucalyptus resinifera Sm. redmahogany SEEL Senecio elegans L. redpurple ragwort AMRE Amaranthus retroflexus L. redroot amaranth OEGL Oenothera glazioviana Micheli redsepal evening-primrose IPCO3 Ipomoea coccinea L. redstar ERCI6 Erodium cicutarium (L.) L'Hér. ex Ait. redstem stork's bill ERCIB2 Erodium cicutarium (L.) L'Hér. ex Ait. ssp. bipinnatum Tourlet redstem stork's bill ERCIC Erodium cicutarium (L.) L'Hér. ex Ait. ssp. cicutarium redstem stork's bill ERCIJ Erodium cicutarium (L.) L'Hér. ex Ait. ssp. jacquinianum (Fisch., C.A. Mey. & Avé-Lall.) Briq. redstem stork's bill ARSC4 Artemisia scoparia Waldst. & Kit. redstem wormwood AGGI2 Agrostis gigantea Roth redtop RUSA2 Rumex sanguineus L. redvein dock GLMA3 Glyceria maxima (Hartman) Holmb. reed mannagrass SPCA10 Spiraea cantoniensis Lour. Reeves' meadowsweet LIRE6 Lilium regale E.E. Wilson regal lily PEDO2 Pelargonium ×domesticum Bailey (pro sp.) [angulosum × cucullatum] regal pelargonium LIRE12 Lipocarpha ?rehmanii (Ridley) Goetghebeur Rehman's halfchaff sedge AECE Aegopogon cenchroides Humb. & Bonpl. relaxgrass ALRE3 Alopecurus rendlei Eig. Rendle's meadow foxtail BRCA6 Bromus catharticus Vahl rescuegrass LYSQ Lycoris squamigera Maxim. resurrection lily KARO3 Kaempferia rotundata L. resurrection-lily TRRE4 Trifolium resupinatum L. reversed clover CHGA2 Chloris gayana Kunth Rhodes grass ISRU Ischaemum rugosum Salisb. ribbed murainagrass PAMA6 Paspalum malacophyllum Trin. ribbed paspalum HOPL5 Homalocladium platycladum (F.J. Muell.) Bailey ribbonbush ORSA Oryza sativa L. rice ECOR2 Echinochloa oryzicola Vasinger rice barnyardgrass CYIR Cyperus iria L. ricefield flatsedge NAGR2 Najas graminea Delile ricefield waternymph TEPA Tetrapanax papyriferus (Hook.) K. Koch ricepaper plant BIGA Bidens gardneri Baker ridge beggartick CHCA12 Chenopodium carnosulum Moq. ridged goosefoot CHCAP Chenopodium carnosulum Moq. var. patagonicum (Phil.) H.A. Wahl ridged goosefoot BRAN2 Brachiaria annulatum (Forsk.) Stapf ringed signalgrass† ISOP Isocarpha oppositifolia (L.) Cass. Rio Grande pearlhead BRDI3 Bromus diandrus Roth ripgut brome BRRI8 Bromus rigidus Roth ripgut brome EUCA2 Eucalyptus camaldulensis Dehnhardt river redgum CACU8 Casuarina cunninghamiana Miq. river sheoak TRTU2 Triticum turgidum L. rivet wheat CADE14 Cardamine debilis D. Don roadside bittercress BRST3 Bromus stamineus Desv. roadside brome CRTR8 Croton trinitatis Millsp. roadside croton BEMU Berteroa mutabilis (Vent.) DC. roadside false madwort LERU Lepidium ruderale L. roadside pepperweed LIAE2 Linaria aeruginea (Gouan) Cav. roadside toadflax TACH3 Tabebuia chrysantha (Jacq.) Nichols. roble amarillo TALA2 Taraxacum laevigatum (Willd.) DC. rock dandelion PSLU2 Pseudofumaria lutea (L.) Borkh. rock fumewort SERU5 Senecio rupestris Waldst. & Kit. rock ragwort SAOC80 Saponaria ocymoides L. rock soapwort ERVE5 Eruca vesicaria (L.) Cav. rocketsalad ERVES Eruca vesicaria (L.) Cav. ssp. sativa (P. Mill.) Thellung rocketsalad AGCL3 Agdestis clematidea Moc. & Sessé ex DC. rockroot CHNO3 Chamaemelum nobile (L.) All. Roman chamomile ARPO4 Artemisia pontica L. Roman wormwood CAPR Calotropis procera (Ait.) Ait. f. roostertree WORA Woodwardia radicans (L.) J. Sm. rooting chainfern PEGR14 Pereskia grandifolia Haw. rose cactus LYCO Lychnis coronaria (L.) Desr. rose campion TRHI4 Trifolium hirtum All. rose clover CLBU Clerodendrum bungei Steud. rose glorybower NORO Nonea rosea (Bieb.) Link rose monkswort POGR7 Portulaca grandiflora Hook. rose moss RHTO Rhodomyrtus tomentosus (Ait.) Hassk. rose myrtle MERE9 Melinis repens (Willd.) Zizka rose Natal grass HISY Hibiscus syriacus L. rose of Sharon PECA13 Pelargonium capitatum (L.) L'Hér. ex Ait. rose scented geranium SICO14 Silene coeli-rosa (L.) Godr. rose silene HISA2 Hibiscus sabdariffa L. roselle ROOF Rosmarinus officinalis L. rosemary PSRO Pseudognaphalium roseum (Kunth) A. Anderb. rosy cudweed XARO2 Xanthosoma roseum Schott rosy malanga RORO Romulea rosea (L.) Ecklon rosy sandcrocus ROROA Romulea rosea (L.) Ecklon var. australis (Ewart) de Vos rosy sandcrocus CERO Centaurea rothrockii Greenm. Rothrock's knapweed ECMU2 Echinochloa muricata (Beauv.) Fern. rough barnyardgrass‡ ECMUM2 Echinochloa muricata (Beauv.) Fern. var. muricata rough barnyardgrass MESE2 Melampodium sericeum Lag. rough blackfoot POTR2 Poa trivialis L. rough bluegrass CHTE5 Chaerophyllum temulum L. rough chervil TRSC7 Trifolium scabrum L. rough clover BUHI Bulbostylis hirta (Thunb.) Svens. rough hairsedge LEHI4 Leontodon hirtus L. rough hawkbit CRBI3 Crepis biennis L. rough hawksbeard TOSC2 Torilis scabra (Thunb.) DC. rough hedgeparsley ADHI Adiantum hispidulum Sw. rough maidenhair MEJA Metaplexis japonica (Thunb.) Makino rough potato CAMU7 Carex muricata L. rough sedge CEAS2 Centaurea aspera L. rough star-thistle CISC4 Cirsium scabrum (Poir.) Bonnet & Barratte rough thistle MAHI6 Marsilea hirsuta R. Br. rough waterclover GATR6 Galium tricornutum Dandy roughfruit corn bedstraw INHI Indigofera hirsuta L. roughhairy indigo FOJA Fortunella japonica (Thunb.) Swingle round kumquat PAHY3 Papaver hybridum L. round pricklyhead poppy BLAU Blyxa aubertii L.C. Rich. roundfruit blyxa JUCO Juncus compressus Jacq. roundfruit rush SCHO6 Scirpoides holoschoenus (L.) Soják roundhead bulrush KISP Kickxia spuria (L.) Dumort. roundleaf cancerwort VIRO80 Vitex rotundifolia L. f. roundleaf chastetree GERO3 Geranium rotundifolium L. roundleaf geranium EUDE Eucalyptus deanei Maiden roundleaf gum PSEL4 Pseudognaphalium elegans (Kunth) Kartesz, comb. nov. ined. royal cudweed DRSP5 Drosanthemum speciosum (Haw.) Schwant. royal dewflower EPAT Epipactis atrorubens (O. Hoffmann) Bess. royal helleborine CORE2 Consolida regalis S.F. Gray royal knight's-spur CHNO2 Cheilanthes notholaenoides (Desv.) Maxon ex Weatherby royal lipfern DERE Delonix regia (Bojer ex Hook.) Raf. royal poinciana ELHO3 Elymus hoffmannii K.B. Jensen & K.H. Asay RS wheatgrass ENRU Encyclia rufa (Lindl.) Britt. & Millsp. rufous butterfly orchid RORU Rosa rugosa Thunb. rugosa rose OPCO2 Oplismenus compositus (L.) Beauv. running mountaingrass ARPR3 Arabis ?procurrens Waldst. & Kit. running rockcress NAAS2 Narcissus assoanus Dufour rushleaf jonquil IREN Iris ensata Thunb. Russian iris EUESU Euphorbia esula L. var. uralensis (Fisch. ex Link) Dorn Russian leafy spurge ASFA3 Astragalus falcatus Lam. Russian milkvetch ELAN Elaeagnus angustifolia L. Russian olive CAFR80 Caragana frutex (L.) K. Koch Russian peashrub AXAM Axyris amaranthoides L. Russian pigweed SITU2 Sisymbrium turczaninowii Sonder Russian rocket TAAR6 Tamarix aralensis Bunge Russian tamarisk SAKA Salsola kali L. Russian thistle SAKAK Salsola kali L. ssp. kali Russian thistle SAKAP Salsola kali L. ssp. pontica (Pallas) Mosyakin Russian thistle PSJU3 Psathyrostachys juncea (Fisch.) Nevski Russian wildrye INCO82 Indigofera colutea (Burm. f.) Merr. rusty indigo BRSE Bromus secalinus L. rye brome NADO Nandina domestica Thunb. sacred bamboo NENU2 Nelumbo nucifera Gaertn. sacred lotus CATI Carthamus tinctorius L. safflower CYRE11 Cycas revoluta Thunb. sago palm ONVI Onobrychis viciifolia Scop. sainfoin CLJA6 Cleyera japonica Thunb. sakaki TRPO Tragopogon porrifolius L. salsify TARA Tamarix ramosissima Ledeb. saltcedar HAGL Halogeton glomeratus (Bieb.) C.A. Mey. saltlover CHMAH Chenopodium macrospermum Hook. f. var. halophilum (Phil.) Standl. saltloving goosefoot LIOT Limonium otolepis (Schrenk) Kuntze saltmarsh sealavender ECPL Echium plantagineum L. salvation jane CISA Cistus salviifolius L. salvia cistus OLSA Oldenlandia salzmannii (DC.) Benth. & Hook. f. ex B.D. Jackson Salzmann's mille graines ALSC3 Allium scorodoprasum L. sand leek PLPS Plantago psyllium L. sand plantain LEAR11 Leymus arenarius (L.) Hochst. sand ryegrass PHAR4 Phleum arenarium L. sand timothy PAHY Parthenium hysterophorus L. Santa Maria feverfew MAZA Manilkara zapota (L.) van Royen sapodilla VIHO80 Vigna hosei (Craib) Backer Sarawak bean CASA26 Camellia sasanqua Thunb. Sasanqua camellia KIAF Kigelia africana (Lam.) Benth. sausage tree DYBR Dyckia brevifolia Baker sawblade QUAC80 Quercus acutissima Carruthers sawtooth oak PESA9 Petrorhagia saxifraga (L.) Link saxifrage pink BECO Begonia coccinea Hook. scarlet begonia PYCO2 Pyracantha coccinea M. Roemer scarlet firethorn PEIN7 Pelargonium inquinans (L.) L'Hér. ex Ait. scarlet geranium IXCO Ixora coccinea L. scarlet jungleflame PACO17 Passiflora coccinea Aubl. scarlet passionflower ANAR Anagallis arvensis L. scarlet pimpernel ANARA7 Anagallis arvensis L. ssp. arvensis scarlet pimpernel PHCO6 Phaseolus coccineus L. scarlet runner SASP6 Salvia splendens Sellow ex Roemer & J.A. Schultes scarlet sage PAFOI Passiflora foetida L. var. isthmia Killip scarletfruit passionflower TRPE21 Tripleurospermum perforata (Merat) M. Lainz scentless false mayweed PEIN6 Pelargonium inodorum Willd. scentless geranium BASC4 Bahia schaffneri S. Wats. Schaffner's bahia ELSC8 Eleocharis schaffneri Boeckl. Schaffner's spikerush LESC3 Lepidium schinzii Thellung Schinz's pepperweed GASC2 Galium schultesii Vest Schultes' bedstraw CARE22 Carmona retusa (Vahl) Masamune scorpionbush ONAC Onopordum acanthium L. Scots cottonthistle ERCI3 Erica cinerea L. Scots heath PISY Pinus sylvestris L. Scots pine ROSP2 Rosa spinosissima L. Scots rose CYSC4 Cytisus scoparius (L.) Link scotsbroom CYSCA Cytisus scoparius (L.) Link var. andreanus (Puiss.) Dippel scotsbroom CYSCS2 Cytisus scoparius (L.) Link var. scoparius scotsbroom GASY Galium sylvaticum L. scotsmist SOTA3 Solanum tampicense Dunal scrambling nightshade TRPA26 Tripolium pannonicum (Jacq.) Dobrocz. sea aster TRSQ Trifolium squamosum L. sea clover CACH38 Carpobrotus chilensis (Molina) N.E. Br. sea fig HITI Hibiscus tiliaceus L. sea hibiscus CRMA Crambe maritima L. sea kale JUMA5 Juncus maritimus Lam. sea rush EUPA13 Euphorbia paralias L. sea spurge HIRH80 Hippophae rhamnoides L. seabuckthorn CHOP Chenopodium opulifolium Schrad. ex Koch & Ziz seaport goosefoot IRSP80 Iris spuria L. seashore iris IRSPO Iris spuria L. ssp. ochroleuca (L.) Dykes seashore iris VELI Verbena litoralis Kunth seashore vervain PUMA Puccinellia maritima (Huds.) Parl. seaside alkaligrass HOMA2 Hordeum marinum Huds. seaside barley HOMAM Hordeum marinum Huds. ssp. marinum seaside barley SAVA3 Samolus valerandi L. seaside brookweed‡ SAVAV Samolus valerandi L. ssp. valerandi seaside brookweed DISE10 Diodia serrulata (Beauv.) G. Taylor seaside buttonweed DELI4 Delosperma litorale (Kensit) L. Bolus seaside delosperma ERMA7 Eryngium maritimum L. seaside eryngo CHSE17 Chamaedorea seifrizii Burret Seifriz's chamaedorea PHRE Phoenix reclinata Jacq. Senegal date palm KHSE2 Khaya senegalensis (Desr.) A. Juss. Senegal mahogany CADI8 Carex divisa Huds. separated sedge SEOC2 Senna occidentalis (L.) Link septicweed EUSE12 Euphorbia serrata L. serrate spurge SEOR4 Sesamum orientale L. sesame TESE3 Tephrosia sessiliflora (Poir.) Hassler sessileflower hoarypea BLSE2 Blumea sessiliflora Dcne. sessileleaf false oxtongue PACR15 Paederia cruddasiana Prain sewer vine CIMA5 Citrus maxima (Burm. f.) Merr. shaddock GAQU Galinsoga quadriradiata Cav. shaggy-soldier FRUH Fraxinus uhdei (Wenzig) Lingelsh. shamel ash ERLE20 Eriochloa leersioides (Munro) Hack. sharp cupgrass† GYAC Gypsophila acutifolia Stev. ex Spreng. sharpleaf babysbreath KIEL Kickxia elatine (L.) Dumort. sharpleaf cancerwort FEOV Festuca ovina L. sheep fescue JAMO Jasione montana L. sheepbit MOLA Moluccella laevis L. shellflower ALZE Alpinia zerumbet (Pers.) Burtt & R.M. Sm. shellplant CABU2 Capsella bursa-pastoris (L.) Medik. shepherd's purse SCPE Scandix pecten-veneris L. shepherdsneedle POSC10 Polyscias scutellaria (Burm. f.) Fosberg shield aralia HEME4 Heliconia metallica Planch. & Linden ex Hook. shining bird of paradise GELU Geranium lucidum L. shining geranium EULU2 Euphorbia lucida Waldst. & Kit. shining spurge CONI15 Corispermum nitidum Kit. ex J.A. Schultes shiny bugseed COLU5 Cotoneaster lucidus Schldl. shiny cotoneaster HIRO3 Hibiscus rosa-sinensis L. shoebackplant AREL4 Ardisia elliptica Thunb. shoebutton CADE15 Caesalpinia decapetala (Roth) Alston shoofly SCAU7 Scrophularia auriculata L. shoreline figwort ACBR5 Achnatherum brachychaetum (Godr.) Barkworth shortbristled needlegrass SIPO2 Sisymbrium polyceratium L. shortfruit hedgemustard ERBR14 Erodium brachycarpum (Godr.) Thellung shortfruit stork's bill EUAP Eugenia apiculata DC. shortleaf stopper HIIN3 Hirschfeldia incana (L.) Lagrèze-Fossat shortpod mustard PHBR3 Phalaris brachystachys Link shortspike canarygrass CASI10 Calystegia silvatica (Kit.) Griseb. shortstalk false bindweed‡ CASIS Calystegia silvatica (Kit.) Griseb. ssp. silvatica shortstalk false bindweed GYEL Gypsophila elegans Bieb. showy babysbreath CAGR13 Cardiospermum grandiflorum Sw. showy balloonvine RAACA3 Ranunculus acris L. var. acris showy buttercup TASP4 Taraxacum spectabile Dahlst. showy dandelion DRFL2 Drosanthemum floribundum (Haw.) Schwant. showy dewflower FOIN3 Forsythia ×intermedia Zabel [suspensa × viridissima] showy forsythia VESP Verbascum speciosum Schrad. showy mullein CRSP2 Crotalaria spectabilis Roth showy rattlebox HYSP9 Hylotelephium spectabile (Boreau) H. Ohba. showy stonecrop JUBR6 Justicia brandegeeana Wasshausen & L.B. Sm. shrimpplant OSFR4 Osteospermum fruticosum (L.) Norl. shrubby daisybush DISU11 Dillenia suffruticosa (Griffith) Martelli shrubby dillenia SPVE2 Spermacoce verticillata L. shrubby false buttonweed FUPA2 Fuchsia paniculata Lindl. shrubby fuchsia TEFR3 Teucrium fruticans L. shrubby germander PHFR4 Phlomis fruticosa L. shrubby Jerusalem sage AEEV Aeschynomene evenia C. Wright shrubby jointvetch LEBI2 Lespedeza bicolor Turcz. shrubby lespedeza ONSU2 Oncosiphon suffruticosum (L.) Källersjö shrubby mayweed SORO3 Solanum robustum Wendl. shrubby nightshade STFR80 Stylosanthes fruticosa (Retz.) Alston shrubby pencilflower SAVE6 Salsola vermiculata L. shrubby Russian thistle SASP7 Sanchezia speciosa Leonard shrubby whitevein SESI3 Senna siamea (Lam.) Irwin & Barneby Siamese cassia COPA38 Corispermum pallasii Steven Siberian bugseed MABA Malus baccata (L.) Borkh. Siberian crabapple RUSI Rumex sibiricus Hultén Siberian dock ULPU Ulmus pumila L. Siberian elm GESI2 Geranium sibiricum L. Siberian geranium COHE12 Corylus heterophylla Fisch. & Trautv. Siberian hazelnut IRSI Iris sibirica L. Siberian iris DEGR80 Delphinium grandiflorum L. Siberian larkspur MEAL Melica altissima L. Siberian melicgrass SOSA3 Sorbus sambucifolia (Cham. & Schlecht.) M. Roemer Siberian mountain ash CAAR18 Caragana arborescens Lam. Siberian peashrub CRSI5 Crassula sieberiana (J.A. Schultes) Druce Siberian pygmyweed ATSI2 Atriplex sibirica L. Siberian saltbush ARSI5 Argusia sibirica (L.) Dandy Siberian sea rosemary SCSI2 Scilla siberica Haw. Siberian squill AGFR Agropyron fragile (Roth) P. Candargy Siberian wheatgrass SETO4 Senna tora (L.) Roxb. sickle senna EUFA2 Euphorbia falcata L. sickle spurge TRFO80 Trigonella foenum-graecum L. sicklefruit fenugreek HYIM Hypecoum imberbe Sm. sicklefruit hypecoum FAVU Falcaria vulgaris Bernh. sickleweed CRSI6 Crocus sieberi J. Gay Sieber's crocus VISI Viburnum sieboldii Miq. Siebold's arrowwood HYPA6 Hypericum parvulum Greene Sierra Madre St. Johnswort PHLU2 Phaseolus lunatus L. sieva bean COVI Cochlospermum vitifolium (Willd.) Willd. ex Spreng. silk cottontree LAMO5 Lagascea mollis Cav. silkleaf GRRO Grevillea robusta A. Cunningham ex R. Br. silkoak NERE Neyraudia reynaudiana (Kunth) Keng ex A.S. Hitchc. silkreed FUEL Funtumia elastica (Preuss) Stapf silkrubber ALJU Albizia julibrissin Durazz. silktree PEGR9 Periploca graeca L. silkvine DISE5 Dichanthium sericeum (R. Br.) A. Camus silky bluestem CASE9 Canavalia sericea Gray silky jackbean THVI2 Themeda villosa (Poir.) A. Camus silky kangaroo grass HYDR4 Hyparrhenia dregeana (Nees) Stent silky thatching grass SASM2 Salix ×smithiana Willd. (pro sp.) [cinerea × viminalis] silky-leaf osier BOLAL2 Bothriochloa laguroides (DC.) Herter ssp. laguroides silver beardgrass POAR8 Potentilla argentea L. silver cinquefoil POARA3 Potentilla argentea L. var. argentea silver cinquefoil POARP2 Potentilla argentea L. var. pseudocalabra T. Wolf silver cinquefoil AICA Aira caryophyllea L. silver hairgrass CRAR5 Croton argenteus L. silver July croton SEBI4 Senecio bicolor (Willd.) Todaro silver ragwort SEBIC Senecio bicolor (Willd.) Todaro ssp. cineraria (DC.) Chater silver ragwort SAAR25 Salvia argentea L. silver sage SEAR13 Senna artemisioides (Gaud. ex DC.) Randell silver senna ACDE3 Acacia dealbata Link silver wattle COPA14 Cotoneaster pannosus Franch. silverleaf cotoneaster EUPU Eucalyptus pulverulenta Sims silverleaf mountain gum POAR5 Polygonum argyrocoleon Steud. ex Kunze silversheath knotweed ARSI6 Arundinaria simonii (Carr.) A.& C. Rivière Simon bamboo COSI82 Cotoneaster simonsii Baker Simons' cotoneaster SIRO3 Sideritis romana L. simplebeak ironwort FLAC Flueggea acidoton (L.) G.L. Webster simpleleaf bushweed VITR7 Vitex trifolia L. simpleleaf chastetree VITRB Vitex trifolia L. var. bicolor (Willd.) Moldenke simpleleaf chastetree VITRS Vitex trifolia L. var. subtrisecta (Kuntze) Moldenke simpleleaf chastetree VITRT Vitex trifolia L. var. trifolia simpleleaf chastetree ARSI4 Arachniodes simplicior (Makino) Ohwi simpler hollyfern CEUN2 Centaurea uniflora Turra singleflower knapweed CEUNN Centaurea uniflora Turra ssp. nervosa (Willd.) Bonnier & Layens singleflower knapweed LUAC2 Luffa acutangula (L.) Roxb. sinkwa towelsponge AGSI2 Agave sisalana Perrine sisal hemp ORUM Ornithogalum umbellatum L. sleepydick LOAN2 Lotus angustissimus L. slender bird's-foot trefoil DITE10 Dichanthium tenue (R. Br.) A. Camus slender bluestem PTEN Pteris ensiformis Burm. f. slender brake MOGR3 Mollugo gracillima Anderss. slender carpetweed CEGR7 Cerastium gracile Dufour slender chickweed EVALD Evolvulus alsinoides (L.) L. var. debilis (Kunth) van Ooststr. slender dwarf morning-glory BRSY Brachypodium sylvaticum (Huds.) Beauv. slender false brome NOGR3 Nothoscordum gracile (Ait.) Stearn slender false garlic GAGR4 Galphimia gracilis Bartl. slender goldshower CROC80 Crotalaria ochroleuca G. Don slender leaf rattlebox ALMY Alopecurus myosuroides Huds. slender meadow foxtail AVBA Avena barbata Pott ex Link slender oat APMI Aphanes microcarpa (Boiss. & Reut.) Rothm. slender parsley piert SACO8 Salsola collina Pallas slender Russian thistle BRLE5 Bromus lepidus Holmb. slender soft brome SOTE3 Sonchus tenerrimus L. slender sowthistle VILA16 Vicia laxiflora Brot. slender vetch CLGR4 Clinopodium gracile (Benth.) Kuntze slender wild basil MENO2 Mesembryanthemum nodiflorum L. slenderleaf iceplant ERGA2 Eragrostis gangetica (Roxb.) Steud. slimflower lovegrass CYGR9 Cyperus gracilis R. Br. slimjim flatsedge ANAR16 Anchusa arvensis (L.) Bieb. small bugloss SAMI3 Sanguisorba minor Scop. small burnet SAMIM Sanguisorba minor Scop. ssp. muricata (Spach) Nordborg small burnet ARHI3 Arthraxon hispidus (Thunb.) Makino small carpgrass SPMA6 Spartina maritima (M.A. Curtis) Fern. small cordgrass HEMI17 Hemerocallis minor P. Mill. small daylily GEPU2 Geranium pusillum L. small geranium ACCO Acacia confusa Merr. small Philippine acacia ATEA Atriplex eardleyae Aellen small saltbush ALMU2 Alpinia mutica Roxb. small shell ginger SILO3 Sisymbrium loeselii L. small tumbleweed mustard TRNI3 Trifolium nigrescens Viviani small white clover LYMI Lygodium microphyllum (Cav.) R. Br. small-leaf climbing fern TRFL Tradescantia fluminensis Vell. small-leaf spiderwort CYMI3 Cynoglossum microglochin Benth. smallbristle hound's tongue BRPA15 Bruguiera parviflora (Roxb.) Wight & Arn. ex Griffith smallflower bruguiera RAPA3 Ranunculus parviflorus L. smallflower buttercup VIPA6 Vitex parviflora Juss. smallflower chastetree EPPA5 Epilobium parviflorum Schreb. smallflower hairy willowherb CRPU3 Crepis pulchra L. smallflower hawksbeard INPA Indigofera ?parviflora K. Heyne ex Wight & Arn. smallflower indigo ERPA32 Eragrostis parviflora (R. Br.) Trin. smallflower lovegrass PIPA9 Picris pauciflora Willd. smallflower oxtongue ROMI Rosa micrantha Borrer ex Sm. smallflower sweetbrier TAPA4 Tamarix parviflora DC. smallflower tamarisk HYMI5 Hypochaeris microcephala (Schultz-Bip.) Cabrera smallhead catsear HYMIA Hypochaeris microcephala (Schultz-Bip.) Cabrera var. albiflora (Kuntze) Cabrera smallhead catsear CECA5 Centaurea calcitrapoides L. smallhead star-thistle ECCO10 Echium coincyanum Lacaita smallstamen vipersbugloss EROD2 Erysimum odoratum Ehrh. smelly wallflower PIMI3 Piptatherum miliaceum (L.) Coss. smilograss BUMA80 Buddleja madagascariensis Lam. smokebush DAIN7 Datura inermis Jacq. smoooth thorn-apple HOMUG Hordeum murinum L. ssp. glaucum (Steud.) Tzvelev smooth barley CRLA13 Cruciata laevipes Opiz smooth bedstraw SCAP3 Schoenus apogon Roemer & J.A. Schultes smooth bogrush BRIN2 Bromus inermis Leyss. smooth brome‡ BRIND Bromus inermis Leyss. ssp. inermis var. divaricatus Rohlena smooth brome BRINI Bromus inermis Leyss. ssp. inermis smooth brome BRINI2 Bromus inermis Leyss. ssp. inermis var. inermis smooth brome HYGL2 Hypochaeris glabra L. smooth catsear VIGL2 Vitex glabrata R. Br. smooth chastetree DIIS Digitaria ischaemum (Schreb.) Schreb. ex Muhl. smooth crabgrass CRCA3 Crepis capillaris (L.) Wallr. smooth hawksbeard CRLA80 Crataegus laevigata (Poir.) DC. smooth hawthorn ALPA17 Alternanthera paronichyoides St.-Hil. smooth joyweed‡ ALPAA2 Alternanthera paronichyoides St.-Hil. var. amazonica Huber smooth joyweed PRLA6 Prosopis laevigata (Humb. & Bonpl. ex Willd.) M.C. Johnston smooth mesquite CRPA10 Crotalaria pallida Ait. smooth rattlebox CRPAO Crotalaria pallida Ait. var. obovata (G. Don) Polhill smooth rattlebox HEGL8 Herniaria glabra L. smooth rupturewort SESU10 Senna sulfurea (DC. ex Colladon) Irwin & Barneby smooth senna VILU2 Vicia lutea L. smooth yellow vetch SPIN4 Sporobolus indicus (L.) R. Br. smut grass‡ MESC6 Medicago scutellata (L.) P. Mill. snail medick ACPT Achillea ptarmica L. sneezeweed CETO2 Cerastium tomentosum L. snow in summer BRDI8 Breynia disticha J.R. & G. Forst. snowbush GANI Galanthus nivalis L. snowdrop RUNI4 Rubus niveus Thunb. snowpeaks raspberry SEFO2 Serissa foetida (L. f.) Lam. snowrose LIFO Libertia formosa Graham snowy mermaid BRHO2 Bromus hordeaceus L. soft brome BRHOH Bromus hordeaceus L. ssp. hordeaceus soft brome BRHOM Bromus hordeaceus L. ssp. molliformis (Lloyd) Maire & Weiller soft brome BRHOP Bromus hordeaceus L. ssp. pseudothominii P. Sm. soft brome BRHOT Bromus hordeaceus L. ssp. thominei (Hardham ex Nyman) Braun-Blanquet soft brome ENMO Enneapogon mollis Lehm. soft feather pappusgrass INPI Indigofera pilosa Poir. softhairy indigo GESO Geranium solanderi Carolin Solander's geranium ZEST Zeuxine strateumatica (L.) Schlechter soldier's orchid PISA Pimpinella saxifraga L. solidstem burnet saxifrage PISAN Pimpinella saxifraga L. ssp. nigra (P. Mill.) Gaudin solidstem burnet saxifrage PISAS Pimpinella saxifraga L. ssp. saxifraga solidstem burnet saxifrage SOBI2 Sorghum bicolor (L.) Moench sorghum PRCE Prunus cerasus L. sour cherry CIAU2 Citrus aurantium L. sour orange ERPL Eragrostis plana Nees South African lovegrass KAPU2 Karroochloa purpurea (L. f.) Conert & Türpe South African oatgrass RIHU3 Richardia humistrata (Cham. & Schlecht.) J.A. & J.H. Schultes South American Mexican clover GLPU3 Glandularia pulchella (Sweet) Troncoso South American mock vervain JAPL Jarava plumosa (Spreng.) S.L.W. Jacobs & J. Everett South American rice grass HYAN Hymenoxys anthemoides (Juss.) Cass. South American rubberweed ATLA2 Atriplex lampa (Moq.) Gillies ex Small South American saltbush SCRA Scutellaria racemosa Pers. South American skullcap NISY Nicotiana sylvestris Speg. & Comes South American tobacco ACPA81 Acacia parramattensis Tindale South Wales wattle MOBA Momordica balsamina L. southern balsampear ECRI Echinops rito L. southern globethistle ECRIR Echinops rito L. ssp. ruthenicus (Bieb.) Nyman southern globethistle EUBO2 Eucalyptus botryoides Sm. southern mahogany METU Medicago turbinata (L.) All. southern medick WAMA Wahlenbergia marginata (Thunb.) A. DC. southern rockbell ACXA Acanthospermum xanthioides DC. southern starburr SUIN2 Succisella inflexa (Kluk) G. Beck southern succisella EMAU Emex australis Steinh. southern threecornerjack ARAB2 Artemisia abrotanum L. southernwood GLMA4 Glycine max (L.) Merr. soybean CEAS Centella asiatica (L.) Urban spadeleaf SPJU2 Spartium junceum L. Spanish broom PUPA6 Pulicaria paludosa Link Spanish false fleabane ERLU6 Erica lusitanica K. Rudolphi Spanish heath IRXI Iris xiphium L. Spanish iris MEBI Melicoccus bijugatus Jacq. Spanish lime SAHI6 Salvia hispanica L. Spanish sage SEHI Sedum hispanicum L. Spanish stonecrop LIAN5 Lindernia antipoda (L.) Alston sparrow false pimpernel LYPO4 Lythrum portula (L.) D.A. Webber spatulaleaf loosestrife PAHA5 Pavonia hastata Cav. spearleaf swampmallow MESP3 Mentha spicata L. spearmint ASCA41 Asplenium caudatum G. Forst. speenwort TRSP3 Triticum spelta L. spelt PTMU Pteris multifida Poir. spider brake CLGY Cleome gynandra L. spiderwisp MYSP2 Myriophyllum spicatum L. spike watermilfoil CESP3 Centaurium spicatum (L.) Fritsch spiked centaury VESP80 Veronica spicata L. spiked speedwell SPOL Spinacia oleracea L. spinach XASP2 Xanthium spinosum L. spiny cockleburr CASP11 Caesalpinia spinosa (Molina) Kuntze spiny holdback CAAC Carduus acanthoides L. spiny plumeless thistle ONCA2 Ononis campestris G. Koch & Ziz spiny restharrow SOAS Sonchus asper (L.) Hill spiny sowthistle EMSP Emex spinosa (L.) Campd. spiny threecornerjack RAMU2 Ranunculus muricatus L. spinyfruit buttercup ERFO5 Eryngium foetidum L. spiritweed GABI3 Galeopsis bifida Boenn. splitlip hempnettle LUAE Luffa aegyptiaca P. Mill. sponge gourd IXMA Ixia maculata L. spotted African cornlily RORE Roemeria refracta DC. spotted Asian poppy CAPU20 Campanula punctata Lam. spotted bellflower ZAAL Zantedeschia albomaculata (Hook.) Baill. spotted calla lily SCMA5 Scolymus maculatus L. spotted goldenthistle HIMA3 Hieracium maculatum Sm. spotted hawkweed LAMA Lamium maculatum L. spotted henbit CEBI2 Centaurea biebersteinii DC. spotted knapweed POPE3 Polygonum persicaria L. spotted ladysthumb† MEAR Medicago arabica (L.) Huds. spotted medick IMBA Impatiens balsamina L. spotted snapweed GAHU3 Galium humifusum Bieb. spreading bedstraw CAPA44 Campanula patula L. spreading bellflower SIIR2 Sisyrinchium iridifolium Kunth spreading blue-eyed grass POPRI2 Poa pratensis L. ssp. irrigata (Lindm.) Lindb. f. spreading bluegrass SIAB Sida abutifolia P. Mill. spreading fanpetals TOAR Torilis arvensis (Huds.) Link spreading hedgeparsley TOARA Torilis arvensis (Huds.) Link ssp. arvensis spreading hedgeparsley TOARP Torilis arvensis (Huds.) Link ssp. purpurea (Ten.) Hayek spreading hedgeparsley PADI27 Paspalidium distans (Trin.) Hughes spreading panicgrass PAJU Parietaria judaica L. spreading pellitory CEMI5 Centipeda minima (L.) A. Braun & Aschers. spreading sneezeweed CLDI4 Cleome diffusa Banks ex DC. spreading spiderflower LEDI29 Leptochloa divaricatissima S.T. Blake spreading sprangletop ERRE4 Erysimum repandum L. spreading wallflower CHDI2 Chloris divaricata R. Br. spreading windmill grass ASDE12 Asparagus densiflorus (Kunth) Jessop Sprenger's asparagus fern DRVE2 Draba verna L. spring draba COSO6 Corydalis solida (L.) Clairv. spring fumewort MIVE3 Milium vernale Bieb. spring milletgrass ADVE Adonis vernalis L. spring pheasant's eye LEVE3 Leucojum vernum L. spring snowflake VEVE Veronica verna L. spring speedwell VILA2 Vicia lathyroides L. spring vetch JAIN2 Jaborosa integrifolia Lam. springblossom TRUN6 Tristagma uniflorum (Lindl.) Traub springstar DALA11 Daphne laureola L. spurgelaurel BUSA Buddleja saligna Willd. squarestem butterflybush CETR8 Centaurea triumfettii All. squarrose knapweed JUBE2 Justicia betonica L. squirrel's tail ECEL Ecballium elaterium (L.) A. Rich. squirting cucumber RABU Ranunculus bulbosus L. St. Anthony's turnip ARSU6 Aristida suringarii Henr. St. Eustatius threeawn CESI3 Ceratonia siliqua L. St. John's bread ENPH Entada phaseoloides (L.) Merr. St. Thomas bean OPTU8 Operculina turpethum (L.) Silva Manso St. Thomas lidpod‡ OPTUV Operculina turpethum (L.) Silva Manso var. ventricosa (Bertero) Austin & Staples St. Thomas lidpod BATO Bauhinia tomentosa L. St. Thomas tree STAR Stachys arvensis (L.) L. staggerweed TRRA Tragus racemosus (L.) All. stalked burr grass ISTI3 Ischaemum timorense Kunth stalkleaf murainagrass LOST2 Lonicera standishii Jacques Standish's honeysuckle GECR6 Gentiana cruciata L. star gentian JAMU2 Jasminum multiflorum (Burm. f.) Andr. star jasmine MAST6 Magnolia stellata (Sieb. & Zucc.) Maxim. star magnolia GAFI6 Gagea fistulosa Ker-Gawl. Star of Bethlehem COMO9 Coincya monensis (L.) Greuter & Burdet star-mustard COMOR Coincya monensis (L.) Greuter & Burdet ssp. recurvata (All.) Leadley star-mustard MUNE Muscari neglectum Guss. ex Ten. starch grape hyacinth SCST Scabiosa stellata L. starflower pincushions CYPL2 Cynodon plectostachyus (K. Schum.) Pilger stargrass HYCO8 Hygrophila corymbosa (Blume) Lindau starhorn BEHE2 Begonia heracleifolia Cham. & Schlecht. starleaf begonia LILE8 Limonium leptostachyum (Boiss.) Kuntz statice ERST6 Erodium stephenianum Willd. Stephen's stork's bill CLCH4 Clerodendrum chinense (Osb.) Mabberley stickbush CEGL2 Cerastium glomeratum Thuill. sticky chickweed ERGL6 Eragrostis glutinosa (Sw.) Trin. sticky lovegrass SOSI Solanum sisymbriifolium Lam. sticky nightshade HEVI12 Heteranthemis viscidehirta Schott sticky oxeye SEVI2 Senecio viscosus L. sticky ragwort SAGL12 Salvia glutinosa L. sticky sage AGAD2 Ageratina adenophora (Spreng.) King & H.E. Robins. sticky snakeroot CUGL4 Cuphea glutinosa Cham. & Schlecht. sticky waxweed PICR Pittosporum crassifolium Banks & Soland. ex A. Cunningham stiffleaf cheesewood POCU7 Polemonium cuspidatum Sieb. & Zucc. stiffpoint Jacob's-ladder URDI Urtica dioica L. stinging nettle‡ URDID Urtica dioica L. ssp. dioica stinging nettle ERCI Eragrostis cilianensis (All.) Vign. ex Janchen stinkgrass ANCO2 Anthemis cotula L. stinking chamomile CHVU Chenopodium vulvaria L. stinking goosefoot CRFO2 Crepis foetida L. stinking hawksbeard OSCA Osteospermum calendulaceum L. f. stinking roger HEFO4 Helichrysum foetidum (L.) Cass. stinking strawflower SEJA Senecio jacobaea L. stinking willie ONPI Oncosiphon piluliferum (L. f.) Källersjö stinknet PAFO3 Paederia foetida L. stinkvine DIGR3 Dittrichia graveolens (L.) W. Greuter stinkwort SEST8 Sedum stoloniferum Gmel. stolon stonecrop IRAP Iris aphylla L. stool iris CUTR2 Cudrania tricuspidata (Carr.) Bureau ex Lavallée storehousebush CAVI2 Calyptocarpus vialis Less. straggler daisy COLI6 Corrigiola litoralis L. strapwort DILU Digitalis lutea L. straw foxglove POFR7 Potentilla fragiformis Willd. ex Schlecht. strawberry cinquefoil TRFR2 Trifolium fragiferum L. strawberry clover PHAL5 Physalis alkekengi L. strawberry groundcherry PSCA Psidium cattleianum Sabine strawberry guava RUIL Rubus illecebrosus Focke strawberry raspberry MUCA4 Muntingia calabura L. strawberrytree SCTR5 Schoenoplectus triqueter (L.) Palla streambank bulrush CYST7 Cytisus striatus (Hill) Rothm. striated broom MYST2 Myosotis stricta Link ex Roemer & J.A. Schultes strict forget-me-not PAST20 Parapholis strigosa (Dumort.) C.E. Hubbard strigose sicklegrass SESA Sedum sarmentosum Bunge stringy stonecrop SICO3 Silene conica L. striped corn catchfly CRZA2 Crepis zacintha (L.) Babcock striped hawksbeard LIRE3 Linaria repens (L.) P. Mill. striped toadflax TRSU3 Trifolium subterraneum L. subterranean clover TRCR6 Tradescantia crassula Link & Otto succulent spiderwort TRDU2 Trifolium dubium Sibthorp suckling clover DAGE Dactyloctenium germinatum Hack. Sudan crowfoot grass SOBID Sorghum bicolor (L.) Moench ssp. drummondii (Nees ex Steud.) de Wet & Harlan Sudangrass SAOF Saccharum officinarum L. sugarcane EUCL Eucalyptus cladocalyx F. Muell. sugargum PORE5 Potentilla recta L. sulphur cinquefoil COSU5 Cosmos sulphureus Cav. sulphur cosmos CESU Centaurea sulphurea Willd. sulphur knapweed FIAE Fimbristylis aestivalis (Retz.) Vahl summer fimbry ADAE Adonis aestivalis L. summer pheasant's eye SECL3 Senecio clivorum Maxim. summer ragwort SAHO3 Satureja hortensis L. summer savory LEAE Leucojum aestivum L. summer snowflake LEAEA Leucojum aestivum L. ssp. aestivum summer snowflake LEAEP Leucojum aestivum L. ssp. pulchellum (Salisb.) Briq. summer snowflake ALCI3 Alloteropsis cimicina (L.) Stapf summergrass CRJU Crotalaria juncea L. sunn hemp EUUN2 Eugenia uniflora L. Surinam cherry CASU33 Calliandra surinamensis Benth. Surinamese stickpea IPAQ Ipomoea aquatica Forsk. swamp morning-glory CRSC Crypsis schoenoides (L.) Lam. swamp pricklegrass AMSC4 Amphibromus scabrivalvis (Trin.) Swallen swamp wallaby grass EURO2 Eucalyptus robusta Sm. swampmahogany ARER Aristolochia erecta L. swanflower ARSW Aristida swartziana Steud. Swartz's threeawn PRDU Prunus dulcis (P. Mill.) D.A. Webber sweet almond LOMA Lobularia maritima (L.) Desv. sweet alyssum CLTE4 Clematis terniflora DC. sweet autumn virginsbower OCBA Ocimum basilicum L. sweet basil LANO80 Laurus nobilis L. sweet bay LOFR Lonicera fragrantissima Lindl. & Paxton sweet breath of spring PRAV Prunus avium (L.) L. sweet cherry FOVU Foeniculum vulgare P. Mill. sweet fennel PALI8 Passiflora ligularis Juss. sweet granadilla IRPA2 Iris pallida Lam. sweet iris ORMA Origanum majorana L. sweet marjoram PHCO7 Philadelphus coronarius L. sweet mock orange CISI Citrus sinensis (L.) Osbeck sweet orange ARAN3 Artemisia annua L. sweet sagewort PEGR11 Pelargonium graveolens L'Hér. ex Ait. sweet scented geranium BRER Brachiaria eruciformis (Sm.) Griseb. sweet signalgrass ANOD Anthoxanthum odoratum L. sweet vernalgrass VIOD Viola odorata L. sweet violet SIAR Silene armeria L. sweet William silene ACAG3 Achillea ageratum L. sweet yarrow ROEG Rosa eglanteria L. sweetbriar rose LAOD Lathyrus odoratus L. sweetpea IPBA2 Ipomoea batatas (L.) Lam. sweetpotato GAOD3 Galium odoratum (L.) Scop. sweetscented bedstraw PHDU3 Phyllostachys dulcis McClure sweetshoot bamboo AMMO Amberboa moschata (L.) DC. sweetsultan DIBA Dianthus barbatus L. sweetwilliam CAGL15 Canavalia gladiata (Jacq.) DC. sword jackbean MATO3 Macrothelypteris torresiana (Gaud.) Ching swordfern ACPS Acer pseudoplatanus L. sycamore maple EUSA Eucalyptus saligna Sm. Sydney bluegum ACLO Acacia longifolia (Andr.) Willd. Sydney golden wattle ZYFA Zygophyllum fabago L. Syrian beancaper CESY Cephalaria syriaca (L.) Scrad. ex Roemer & J.A. Schultes Syrian cephalaria PRFA2 Prosopis farcta (Banks & Soland.) J.F. Macbr. Syrian mesquite EUSY Euclidium syriacum (L.) Ait. f. Syrian mustard BEPLS Betula platyphylla Sukatschev var. szechuanica Schneid. Szechuan white birch ALSZ2 Alyssum szovitsianum Fisch. & C.A. Mey. Szowits' madwort CHPA29 Chamaecystis palmensis (Christ) Bisby & K. Nicholls tagasaste PHAC3 Phyllanthus acidus (L.) Skeels Tahitian gooseberry tree PATE2 Pandanus tectorius Parkinson ex Zucc. Tahitian screwpine ADCA3 Adiantum caudatum L. tailed maidenhair PIPE8 Pittosporum pentandrum (Blanco) Merr. Taiwanese cheesewood PHSE17 Photinia serratifolia (Desf.) Kalkm. Taiwanese photinia ALPR Albizia procera (Roxb.) Benth. tall albizia RAAC3 Ranunculus acris L. tall buttercup‡ ANAL11 Anthemis altissima L. tall chamomile NIFR Nierembergia frutescens Durieu tall cupflower XAUN Xanthosoma undipes (K. Koch) K. Koch tall elephant's ear LOAR10 Lolium arundinaceum (Schreb.) S.J. Darbyshire tall fescue ECEX Echinops exaltatus Schrad. tall globethistle HIPI2 Hieracium piloselloides Vill. tall hawkweed IPPU2 Ipomoea purpurea (L.) Roth tall morning-glory AREL3 Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl tall oatgrass ARELB Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl var. bulbosum (Willd.) Spenner tall oatgrass ARELE Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl var. elatius tall oatgrass PHKA3 Phragmites karka (Retz.) Trin. ex Steud. tall reed SCAL4 Scutellaria altissima L. tall skullcap SIAL2 Sisymbrium altissimum L. tall tumblemustard THPO7 Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang tall wheatgrass CHEL3 Chloris elata Desv. tall windmill grass MEAL3 Melilotus altissimus Thuill. tall yellow sweetclover TRSE6 Triadica sebifera (L.) Small tallowtree TAIN2 Tamarindus indica L. tamarind CIRE3 Citrus reticulata Blanco tangerine LATI Lathyrus tingitanus L. Tangier pea PSAT5 Pseudognaphalium attenuatum (DC.) A. Anderb. tapered cudweed ERBO3 Eremopyrum bonaepartis (Spreng.) Nevski tapertip false wheatgrass MAES Manihot esculenta Crantz tapioca ACAR10 Actinidia arguta (Sieb. & Zucc.) Planch. ex Miq. tara vine FATA Fagopyrum tataricum (L.) Gaertn. Tartary buckwheat EUGL Eucalyptus globulus Labill. Tasmanian bluegum EUGLG Eucalyptus globulus Labill. ssp. globulus Tasmanian bluegum EUGLM Eucalyptus globulus Labill. ssp. maidenii (F. Muell.) J.B. Kirkpat. Tasmanian bluegum RYSE Rytidosperma semiannulare (Labill.) Connor & Edgar Tasmanian wallaby grass MUCO2 Muscari comosum (L.) P. Mill. tassel grape hyacinth SESE6 Sedum sexangulare L. tasteless stonecrop ASTA Aster tataricus L. f. Tatarian aster CEGI2 Cephalaria gigantea (Ledeb.) Bobr. Tatarian cephalaria LOTA Lonicera tatarica L. Tatarian honeysuckle ACTA80 Acer tataricum L. tatarian maple ATTA Atriplex tatarica L. Tatarian orache PITE11 Pittosporum tenuifolium Gaertn. tawhiwhi PIFU Pisum fulvum Sibthorp & Sm. tawny pea CASI16 Camellia sinensis (L.) O. Kuntze tea ROOD Rosa odorata (Andr.) Sweet tea rose VISE14 Viburnum setigerum Hance tea viburnum TEGR Tectona grandis L. f. teak ERTE Eragrostis tef (Zuccagni) Trotter teff PLRU2 Plumeria rubra L. templetree ERSC3 Eragrostis scaligera Salzm. ex Steud. tender lovegrass MAIN4 Matthiola incana (L.) Ait. f. tenweeks stock NIPL2 Nicotiana plumbaginifolia Viviani Tex-Mex tobacco ERAT3 Eragrostis atrovirens (Desv.) Trin. ex Steud. thalia lovegrass HYHI Hyparrhenia hirta (L.) Stapf thatching grass BRPH3 Brachypodium phoenicoides (L.) Roemer & J.A. Schultes thinleaf false brome ELPU2 Elaeagnus pungens Thunb. thorny olive VEFI Veronica filiformis Sm. threadstalk speedwell MOCE Mollugo cerviana (L.) Ser. threadstem carpetweed LYTR2 Lythrum tribracteatum Salzm. ex Spreng. threebract loosestrife ALTR4 Allium triquetrum L. threecorner leek RUTR5 Rubus triphyllus Thunb. threeleaf blackberry CATR29 Cayratia trifolia (L.) Domin threeleaf cayratia INTR2 Indigofera trifoliata L. threeleaf indigo RATR2 Ranunculus trilobus Desf. threelobe buttercup MACO6 Malvastrum coromandelianum (L.) Garcke threelobe false mallow ELTR2 Eleusine tristachya (Lam.) Lam. threespike goosegrass AMTH2 Amaranthus thunbergii Moq. Thunberg's amaranthus GETH3 Geranium thunbergii Sieb. & Zucc. ex Lindl. & Paxton Thunberg's geranium LETH4 Lespedeza thunbergii (DC.) Nakai Thunberg's lespedeza SPTH2 Spiraea thunbergii Sieb. ex Blume Thunberg's meadowsweet DRTH Dracocephalum thymiflorum L. thymeleaf dragonhead LYTH5 Lythrum thymifolia L. thymeleaf loosestrife ARSE2 Arenaria serpyllifolia L. thymeleaf sandwort VESE Veronica serpyllifolia L. thymeleaf speedwell‡ VESES Veronica serpyllifolia L. ssp. serpyllifolia thymeleaf speedwell ASTI5 Astragalus tibetanus Benth. ex Bunge Tibet milkvetch FINO3 Ficus nota (Blanco) Merrill tibig THPY4 Thinopyrum pycnanthum (Godr.) Barkworth, comb. nov. ined. tick quackgrass CYSE5 Cyperus serotinus Rottb. tidalmarsh flatsedge MERI3 Medicago rigidula (L.) All. Tifton burclover LILA8 Lilium lancifolium Thunb. tiger lily ERVA7 Erythrina variegata L. tiger's claw ERVAO Erythrina variegata L. var. orientalis L. tiger's claw PHPR3 Phleum pratense L. timothy VIHI Vicia hirsuta (L.) S.F. Gray tiny vetch TRHI8 Tricyrtis hirta (Thunb.) Hook. toadlily RUDE3 Rumex dentatus L. toothed dock CLSE2 Cleome serrata Jacq. toothed spiderflower EUDE4 Euphorbia dentata Michx. toothed spurge‡ EUDEL Euphorbia dentata Michx. var. lasiocarpa Boiss. toothed spurge AMVI2 Ammi visnaga (L.) Lam. toothpickweed IXPA Ixora pavetta Andrews torch tree ETEL Etlingera elatior (Jack) R.M. Sm. torch-ginger MASI80 Malus sieboldii (Regel) Rehd. toringa crabapple MASIS Malus sieboldii (Regel) Rehd. var. sieboldii toringa crabapple MASIZ Malus sieboldii (Regel) Rehd. var. zumi (Matsumura) Asami toringa crabapple PHED4 Phyllostachys edulis (Carr.) Houz. tortoise shell bamboo DIRA5 Digitaria radicosa (Presl) Miq. trailing crabgrass TRPR8 Trigonella procumbens (Bess.) Reichenb. trailing fenugreek INSP2 Indigofera spicata Forsk. trailing indigo LAMO2 Lantana montevidensis (Spreng.) Briq. trailing shrubverbena HYHU2 Hypericum humifusum L. trailing St. Johnswort RAMA7 Ravenala madagascariensis Sonnerat traveler's tree CNAC Cnidoscolus aconitifolius (P. Mill.) I.M. Johnston treadsoftly GALI4 Gazania linearis (Thunb.) Druce treasureflower AEAR4 Aeonium arboreum (L.) Webb & Berth. tree aenium LATH Lavatera thuringiaca L. tree lavatera LIAR10 Limonium arborescens (Brouss.) Kuntze tree limonium LAAR2 Lavatera arborea L. tree mallow TIDI2 Tithonia diversifolia (Hemsl.) Gray tree marigold AIAL Ailanthus altissima (P. Mill.) Swingle tree of heaven EUDE10 Euphorbia dendroides L. tree spurge NIGL Nicotiana glauca Graham tree tobacco MOHI Montanoa hibiscifolia (Benth.) Standl. treedaisy CHCA9 Chrysanthemum carinatum Schousboe tricolor daisy COTR12 Corchorus tridens L. tridens corchorus TECA Terminalia catappa L. troipical almond ERVA6 Erechtites valerianifolia (Spreng.) DC. tropical burnweed HYMU2 Hyptis mutabilis (A. Rich.) Briq. tropical bushmint VIJU Vigna juruana (Harms) Verdc. tropical cowpea ERFA3 Eriochloa fatmensis (Hochst. & Steud.) W.D. Clayton tropical cupgrass RUOB3 Rumex obovatus Danser tropical dock FIVI2 Fioria vitifolia (L.) Mattei tropical fanleaf† PUPH2 Pueraria phaseoloides (Roxb.) Benth. tropical kudzu PHPU11 Phyllanthus pulcher Wallich ex Muell.-Arg. tropical leaf-flower SECR3 Sesuvium crithmoides Welw. tropical seapurslane CHAB3 Chamaecrista absus (L.) Irwin & Barneby tropical sensitive pea CHABM Chamaecrista absus (L.) Irwin & Barneby var. meonandra (Irwin & Barneby) Irwin & Barneby tropical sensitive pea URSU2 Urochloa subquadripara (Trin.) R. Webster tropical signalgrass SOVI2 Solanum viarum Dunal tropical soda apple DECA15 Desmodium cajanifolium (Kunth) DC. tropical ticktrefoil NAFO3 Nassella formicarum (Delile) Barkworth tropical tussockgrass RUBR12 Ruellia brevifolia (Pohl) Ezcurra tropical wild petunia OXHI Oxalis hirta L. tropical woodsorrel MYSC Myosotis scorpioides L. true forget-me-not INTI Indigofera tinctoria L. true indigo CEOB Cecropia obtusifolia Bertol. trumpet tree EUGO Eucalyptus gomphocephala DC. tuart SCGL11 Schoenoplectus glaucus (Lam.) Kartesz, comb. nov. ined. tuberous bulrush SYTU Symphytum tuberosum L. tuberous comfrey PHTU2 Phlomis tuberosa L. tuberous Jerusalem sage PATU3 Passiflora tuberosa Jacq. tuberous passionflower LATU Lathyrus tuberosus L. tuberous sweetpea VERI2 Verbena rigida Spreng. tuberous vervain WALI Wahlenbergia linarioides (Lam.) A. DC. tuffybells FEAI Festuca airoides Lam. tufted fescue PAGL4 Papaver glaucum Boiss. & Hausskn. tulip poppy ATRO Atriplex rosea L. tumbling saltweed OPFI Opuntia ficus-indica (L.) P. Mill. tuna cactus GENU Gentiana nutans Bunge tundra gentian VEFO Vernicia fordii (Hemsl.) Airy-Shaw tungoil tree CLIN Clerodendrum indicum (L.) Kuntze turk's turbin GYPI Gypsophila pilosa Huds. Turkish babysbreath CRNI2 Crepis nicaeensis Balbis ex Pers. Turkish hawksbeard BUOR Bunias orientalis L. Turkish wartycabbage SYGL Syncarpia glomulifera (Sw.) Niedenzu turpentine tree CACA37 Campanula carpatica Jacq. tussock bellflower SPDI4 Sporobolus diander (Retz.) Beauv. tussock dropseed HYBRT Hypochaeris brasiliensis (Less.) Griseb. var. tweedyi (Hook. & Arn.) Baker Tweedy's catsear OXVO Oxyrhynchus volubilis Brandeg. twining bluehood PABI6 Passiflora biflora Lam. twoflower passionflower CRBI8 Crotalaria biflora L. twoflower rattlebox SODI2 Solanum diphyllum L. twoleaf nightshade ARBI5 Aristolochia bilobata L. twolobe dutchman's pipe VEBI2 Veronica biloba L. twolobe speedwell SESP2 Sedum spurium Bieb. tworow stonecrop ATMI2 Atriplex micrantha Ledeb. twoscale saltbush CENI3 Centaurea nigrescens Willd. Tyrol knapweed CLUM5 Clerodendrum umbellatum Poir. umbel clerodendrum MAEM2 Maesopsis eminii Engl. umbrella-tree CYIN6 Cyperus involucratus Rottb. unbrella plant VEUN Veronica undulata Wall. ex Roxb. undulate speedwell MOER Moenchia erecta (L.) P.G. Gaertn., B. Mey. & Scherb. upright chickweed PAOF Parietaria officinalis L. upright pellitory EUAG Euphorbia agraria Bieb. urban spurge BLST Bletilla striata (Thunb.) Reichenb. f. urn orchid PELA5 Pennisetum latifolium Spreng. Uruguayan fountaingrass COSE4 Cortaderia selloana (J.A. & J.H. Schultes) Aschers. & Graebn. Uruguayan pampas grass LUUR Ludwigia uruguayensis (Camb.) Hara Uruguayan primrose-willow NANE Nassella neesiana (Trin. & Rupr.) Barkworth Uruguayan tussockgrass VEMO2 Verbena montevidensis Spreng. Uruguayan vervain SEPE4 Senna pendula (Humb. & Bonpl. ex Willd.) Irwin & Barneby valamuerto‡ SEPEA Senna pendula (Humb. & Bonpl. ex Willd.) Irwin & Barneby var. advena (Vogel) Irwin & Barneby valamuerto CYDI4 Cyperus difformis L. variable flatsedge DEHE9 Desmodium heterophyllum (Willd.) DC. variable-leaf ticktrefoil MAGI2 Macroptilium gibbosifolium (Ortega) A. Delgado variableleaf bushbean ROIN Rorippa indica (L.) Hiern. variableleaf yellowcress ROINA Rorippa indica (L.) Hiern. var. apetala Hochr. variableleaf yellowcress ROINI Rorippa indica (L.) Hiern. var. indica variableleaf yellowcress VITRV Vitex trifolia L. var. variegata Moldenke varigated chastetree ECPI Echinochloa picta (J. König) P.W. Michael varigated cockspur grass FEHE2 Festuca heteromalla Pourret varioushair fescue FEHE Festuca heterophylla Lam. variousleaf fescue PAUR2 Paspalum urvillei Steud. Vasey's grass DIES Diplazium esculentum (Retz.) Sw. vegetable fern SEGR5 Sesbania grandiflora (L.) Poir. vegetable hummingbird GEVE3 Geranium versicolor L. veiny geranium PAVE6 Pandanus veitchii hort. Veitch ex Masters & T. Moore Veitch's screwpine VERI Velezia rigida L. velezia DIVE2 Digitaria velutina (Forsk.) Beauv. velvet crabgrass MICA20 Miconia calvescens DC. velvet tree ABTH Abutilon theophrasti Medik. velvetleaf CLMA24 Clerodendrum macrostegium Schauer velvetleaf glorybower PSST8 Pseudabutilon stuckertii R.E. Fries velvetleaf Indian mallow TOAR2 Tournefortia argentea L. f. velvetleaf soldierbush GYAU Gynura aurantiaca (Blume) DC. velvetplant PAVE3 Panicum venezuelae Hack. Venezuelan panicgrass CIRO3 Cissus rotundifolia (Forssk.) Vahl Venezuelan treebine ACNA Aconitum napellus L. Venus' chariot PIAU Piper auritum Kunth Vera cruz pepper† SAVE2 Salvia verbenacea L. verbena sage CACA23 Carex caryophyllea Lat. vernal sedge MAAL Malva alcea L. vervain mallow VEZI80 Vetiveria zizanioides (L.) Nash ex Small vetivergrass SYVI3 Syringa villosa Vahl villous lilac LOCO9 Lophostemon confertus (R. Br.) P.G. Wilson & Waterhouse vinegartree DIVI2 Digitaria violascens Link violet crabgrass PEIN5 Petunia integrifolia (Hook.) Schinz & Thellung violetflower petunia DIRE7 Dinebra retroflexa (Vahl) Panzer viper grass SATR6 Sansevieria trifasciata Prain viper's bowstring hemp MAMA4 Malcolmia maritima (L.) Ait. f. Virginia stock VAMA5 Vangueria madagascariensis J.F. Gmel. voa vanga CLSP5 Cleome speciosa Raf. volantines preciosos FEVA2 Festuca valesiaca Schleich. ex Gaudin Volga fescue HOMUM Hordeum murinum L. ssp. murinum wall barley GAPA5 Galium parisiense L. wall bedstraw HIMU Hieracium murorum L. wall hawkweed IRTE4 Iris tectorum Maxim. wall iris MYMU Mycelis muralis (L.) Dumort. wall-lettuce COWA2 Convolvulus wallichianus Spreng. Wallich's bindweed CLWA3 Clerodendrum wallichii Merr. Wallich's glorybower LEVI80 Lespedeza virgata (Thunb.) DC. wand lespedeza VEVI2 Verbascum virgatum Stokes wand mullein SEVI7 Sesbania virgata (Cav.) Poir. wand riverhemp VIPE80 Vicia peregrina L. wandering vetch SPTR Sparaxis tricolor (Schneev.) Ker-Gawl. wandflower MUKE Murdannia keisak (Hassk.) Hand.-Maz. wartremoving herb GAVE5 Galium verrucosum Huds. warty bedstraw WARO Washingtonia robusta H. Wendl. Washington fan palm TRNA Trapa natans L. water chestnut SCUM Scrophularia umbrosa Dumort. water figwort ALGE2 Alopecurus geniculatus L. water foxtail GLFL2 Glyceria fluitans (L.) R. Br. water mannagrass MELI5 Medicago littoralis Rhode ex Loisel. water medick MEAQ Mentha aquatica L. water mint PAHY2 Paspalum hydrophilum Henr. water paspalum NYIN Nymphoides indica (L.) Kuntze water snowflake† ACRE2 Acacia retinodes Schlecht. water wattle DIAL2 Dioscorea alata L. water yam BUBA Bulbostylis barbata (Rottb.) C.B. Clarke watergrass CILA3 Citrullus lanatus (Thunb.) Matsumura & Nakai watermelon CILAC Citrullus lanatus (Thunb.) Matsumura & Nakai var. citroides (Bailey) Mansf. watermelon CILAL Citrullus lanatus (Thunb.) Matsumura & Nakai var. lanatus watermelon HYNY Hydrocleys nymphoides (Humb. & Bonpl. ex Willd.) Buch. waterpoppy HYVE3 Hydrilla verticillata (L. f.) Royle waterthyme URPI3 Urochloa piligera (F. Muell. ex Benth.) R. Webster wattle signalgrass HERA7 Heliotropium ramosissimum (Lehm.) DC. wavy heliotrope OPUN Oplismenus undulatifolius (Ard.) Beauv. wavyleaf basketgrass VESI2 Verbascum sinuatum L. wavyleaf mullein LISI2 Limonium sinuatum (L.) P. Mill. wavyleaf sealavender MAAR14 Malvaviscus arboreus Dill. ex Cav. wax mallow‡ MAARA Malvaviscus arboreus Dill. ex Cav. var. arboreus wax mallow ETCE Etlingera cevuga (Seem.) R.M. Sm. waxflower BEHI3 Benincasa hispida (Thunb.) Cogn. waxgourd GAGL3 Galium glaucum L. waxy bedstraw GLDE Glyceria declinata Brébiss. waxy mannagrass SOGL3 Solanum glaucophyllum Desf. waxyleaf nightshade† LIQU2 Ligustrum quihoui Carr. waxyleaf privet VILA Viburnum lantana L. wayfaringtree POIN30 Poa infirma Kunth weak bluegrass PLDE Plantago debilis R. Br. weak plantain UROL Urochloa oligobrachiata (Pilger) Kartesz, comb. nov. ined. weak signalgrass AGWE Agave weberi Cels ex Poisson Weber's century plant CACU22 Calotis cuneifolia R. Br. wedgeleaf RUFR7 Rumex frutescens Thouars wedgeleaf dock SICO4 Silene conoidea L. weed silene BRAL2 Bromus alopecuros Poir. weedy brome CHMI5 Chamaemelum mixtum (L.) All. weedy dogfennel FIBE Ficus benjamina L. weeping fig EUDI8 Eustachys distichophylla (Lag.) Nees weeping fingergrass FOSU Forsythia suspensa (Thunb.) Vahl weeping forsythia EHST Ehrharta stipoides Labill. weeping grass ERCU2 Eragrostis curvula (Schrad.) Nees weeping lovegrass SASE10 Salix ×sepulcralis Simonkai [alba × babylonica] weeping willow RELU2 Reseda luteola L. weld ALFI4 Allium fistulosum L. welsh onion CRWE4 Cryptocoryne wendtii de Wit Wendt's watertrumpet SPINP2 Sporobolus indicus (L.) R. Br. var. pyramidalis (Beauv.) Veldkamp West Indian dropseed CUANL Cucumis anguria L. var. longaculeatus J.H. Kirkbride West Indian gherkin RURO Rubus rosifolius Sm. West Indian raspberry CRZA80 Crotalaria zanzibarica Benth. West Indian rattlebox VAPO2 Vanilla pompona Schiede West Indian vanilla EURU2 Eucalyptus rudis Sm. Western Australian floodedgum FUOC Fumaria occidentalis Pugsley western fumitory AVOC Avena occidentalis Durieu western oat BRGR5 Bromus grossus Desf. ex DC. whiskered brome CAIR Calepina irregularis (Asso) Thellung white ballmustard GAAL Galium album P. Mill. white bedstraw ARSE8 Araujia sericifera Brot. white bladderflower BRAL4 Bryonia alba L. white bryony POAL26 Potentilla alba L. white cinquefoil TRRE3 Trifolium repens L. white clover COGL17 Coronilla globosa Lam. white crownvetch CAGL23 Callitris glaucophylla J. Thompson & L. Johnson white cypress-pine LAAL Lamium album L. white deadnettle NYLO Nymphaea lotus L. white Egyptian lotus HECO11 Hedychium coronarium Koenig white garland-lily ALNE3 Allium neapolitanum Cirillo white garlic HYAL2 Hyoscyamus albus L. white henbane TECA5 Tephrosia candida DC. white hoarypea IXTH Ixora thwaitesii Hook. f. white jungleflame CEDI3 Centaurea diffusa Lam. white knapweed LUAL22 Lupinus albus L. white lupine TAAL4 Tabernaemontana alba P. Mill. white milkwood HEPO4 Heliocarpus popayanensis Kunth white moho ALVA2 Alysicarpus vaginalis (L.) DC. white moneywort MOAL Morus alba L. white mulberry VELY Verbascum lychnitis L. white mullein SIAL5 Sinapis alba L. white mustard PASU4 Passiflora subpeltata Ortega white passionflower LASA2 Lathyrus sativus L. white pea POAL7 Populus alba L. white poplar FUCA Fumaria capreolata L. white ramping fumitory ROAL3 Rosa ×alba L. (pro sp.) [arvensis × gallica] white rose of York CYMU3 Cytisus multiflorus (L'Hér.) Sweet white spanishbroom SEAL Sedum album L. white stonecrop CYVI3 Cynanchum vincetoxicum (L.) Pers. white swallow-wort REAL Reseda alba L. white upright mignonette DIER5 Diplotaxis erucoides (L.) DC. white wallrocket SAAL2 Salix alba L. white willow EUAL80 Eucalyptus albens Benth. whitebox ANCL Anacylus clavatus (Desf.) Pers. whitebuttons ALSA10 Albizia saponaria (Lour.) Blume ex Miq. whiteflower albizia IPLI2 Ipomoea littoralis Blume whiteflower beach morning-glory† BRPO6 Brachychiton populneum (Schott) R. Br. whiteflower kurrajong OMLI Omphalodes linifolia (L.) Moench whiteflower navelwort KYNE Kyllinga nemoralis (J.R. & G. Forst.) Dandy ex Hutchinson & Dalziel whitehead spikesedge THFR2 Thunbergia fragrans Roxb. whitelady STSY2 Stachys sylvatica L. whitespot CALE52 Carthamus leucocaulos Sibith. & Sm. whitestem distaff thistle CADR Cardaria draba (L.) Desv. whitetop CEDE15 Centaurea dealbata Willd. whitewash cornflower ROTO Rosa tomentosa Sm. whitewoolly rose PLIN8 Plumbago indica L. whorled plantain PLVE2 Plectranthus verticillatus (L. f.) Druce whorled plectranthus SILA23 Sinocalamus latiflorus (Munro) McClure wideleaf bamboo CADI17 Carex distenta Kunze widow's sedge CEPH Centaurea phrygia L. wig knapweed BIRA Bifora radians Bieb. wild bishop APGR2 Apium graveolens L. wild celery APGRD Apium graveolens L. var. dulce (P. Mill.) DC. wild celery ANSY Anthriscus sylvestris (L.) Hoffmann wild chervil PAIN7 Pachira insignis (Sw.) Sw. ex Savigny wild chestnut ALSC Allium schoenoprasum L. wild chives ALSCS2 Allium schoenoprasum L. var. schoenoprasum wild chives CETR5 Ceratotheca triloba (Bernh.) E. Mey. ex Hook. f. wild foxglove ALVI Allium vineale L. wild garlic ALVIV Allium vineale L. ssp. vineale wild garlic AVFA Avena fatua L. wild oat PASA2 Pastinaca sativa L. wild parsnip RARA2 Raphanus raphanistrum L. wild radish CEER Centaurea eriophora L. wild sandheath GLSO80 Glycine soja Sieb. & Zucc. wild soybean SASP Saccharum spontaneum L. wild sugarcane TUSY Tulipa sylvestris L. wild tulip FLST Flemingia strobilifera (L.) Ait. & Ait. f. wildhops ACAMW Acalypha amentacea Roxb. ssp. wilkesiana (Muell.-Arg.) Fosberg Wilkes' acalypha SEWI Selaginella willdenowii (Desv. ex Poir.) Baker Willdenow's spikemoss HESA11 Helianthemum salicifolium (L.) P. Mill. willowleaf frostweed LASA Lactuca saligna L. willowleaf lettuce SPSA2 Spiraea salicifolia L. willowleaf meadowsweet INSA Inula salicina L. willowleaf yellowhead ERSU Eragrostis superba Peyr. Wilman lovegrass DIWI4 Dioclea wilsonii Standl. Wilson's clusterpea LORI Lolium rigidum Gaudin Wimmera ryegrass OXRU Oxalis rubra St.-Hil. windowbox woodsorrel VIVI5 Vitis vinifera L. wine grape RUPH Rubus phoenicolasius Maxim. wine raspberry EUAL8 Euonymus alata (Thunb.) Sieb. winged burning bush CATE2 Carduus tenuiflorus W. Curtis winged plumeless thistle PABI5 Passiflora bicornis P. Mill. wingleaf passionflower SPPE4 Spergula pentandra L. wingstem spurry ERHY4 Eranthis hyemalis (L.) Salisb. winter aconite EUFO5 Euonymus fortunei (Turcz.) Hand.-Maz. winter creeper EUFOF Euonymus fortunei (Turcz.) Hand.-Maz. var. fortunei winter creeper EUFOR2 Euonymus fortunei (Turcz.) Hand.-Maz. var. radicans (Sieb. ex Miq.) Rehd. winter creeper STLU4 Sternbergia lutea (L.) Ker-Gawl. ex Spreng. winter daffodil JANU Jasminum nudiflorum Lindl. winter jasmine SAMO6 Satureja montana L. winter savory CUMA3 Cucurbita maxima Duchesne winter squash VIVI Vicia villosa Roth winter vetch VIVIP Vicia villosa Roth ssp. pseudocracca (Bertol.) Ball winter vetch VIVIV Vicia villosa Roth ssp. villosa winter vetch VIVIV8 Vicia villosa Roth ssp. varia (Host) Corb. winter vetch EUBU6 Euonymus bungeanum Maxim. winterberry MUHA Muehlenbeckia hastatula (Sm.) I.M. Johnston wirevine GAWI Galium wirtgenii F.W. Schultz Wirtgen's bedstraw SAPE12 Salix ×pendulina Wenderoth [babylonica × fragilis] Wisconsin weeping willow TOAS Torenia asiatica L. wishbone flower HYTE10 Hylotelephium telephium (L.) H. Ohba. witch's moneybags HYTEF Hylotelephium telephium (L.) H. Ohba. ssp. fabaria (W.D.J. Koch) H. Ohba. witch's moneybags HYTET2 Hylotelephium telephium (L.) H. Ohba. ssp. telephium witch's moneybags ALLE Albizia lebbeck (L.) Benth. woman's tongue CAEN4 Canavalia ensiformis (L.) DC. wonderbean VISP Vigna speciosa (Kunth) Verdc. wondering cowpea CAFL14 Cardamine flexuosa With. woodland bittercress ARVU2 Arctium vulgare (Hill) Evans woodland burrdock CASY6 Calamintha sylvatica Bromf. woodland calamint CASYA Calamintha sylvatica Bromf. ssp. ascendens (Jord.) P.W. Ball woodland calamint SCNO2 Scrophularia nodosa L. woodland figwort MYSY Myosotis sylvatica Ehrh. ex Hoffmann woodland forget-me-not TESC Teucrium scorodonia L. woodland germander PAMO6 Passiflora morifolia Masters woodland passionflower DISY2 Dianthus sylvestris Wulfen woodland pink SESY Senecio sylvaticus L. woodland ragwort SANE Salvia nemorosa L. woodland sage CETR7 Celosia trigyna L. woolflower CALA67 Campanula lanata Friv. woolly bellflower RUTO2 Rubus tomentosus Borkh. woolly blackberry RUTOC Rubus tomentosus Borkh. var. canescens Wirtg. woolly blackberry ARTO Arctium tomentosum P. Mill. woolly burrdock TRTO4 Trifolium tomentosum L. woolly clover CALA20 Carthamus lanatus L. woolly distaff thistle CALAB2 Carthamus lanatus L. ssp. baeticus (Boiss. & Reut.) Nyman woolly distaff thistle CALAL10 Carthamus lanatus L. ssp. lanatus woolly distaff thistle TRFL15 Tragopogon floccosus Waldst. & Kit. woolly goatsbeard STBY Stachys byzantina K. Koch ex Scheele woolly hedgenettle OPTO2 Opuntia tomentosa Salm-Dyck woollyjoint pricklypear CHAR16 Chenopodium aristatum L. wormseed ERCH9 Erysimum cheiranthoides L. wormseed wallflower ANWR6 Antidaphne wrightii (Griseb.) Kuijt Wright's catkin mistletoe IPWR Ipomoea wrightii Gray Wright's morning-glory NAWR Najas wrightiana A. Braun Wright's waternymph MERU3 Medicago rugosa Desr. wrinkled medick ULGL Ulmus glabra Huds. Wych elm EUTR4 Eupatorium triplinerve Vahl yapana EUCO3 Eucalyptus cornuta Labill. yate XAAT Xanthosoma atrovirens K. Koch & Bouché yautia amarilla XACA Xanthosoma caracu K. Koch & Bouché yautia horqueta MESAF Medicago sativa L. ssp. falcata (L.) Arcang. yellow alfalfa LAGA2 Lamiastrum galeobdolon (L.) Ehrend. & Polatschek yellow archangel ORPI3 Ornithopus pinnatus (P. Mill.) Druce yellow bird's-foot BOIS Bothriochloa ischaemum (L.) Keng yellow bluestem BOISI Bothriochloa ischaemum (L.) Keng var. ischaemum yellow bluestem BOISS Bothriochloa ischaemum (L.) Keng var. songarica (Rupr. ex Fisch. & C.A. Mey.) Celarier & Harlan yellow bluestem SEPU8 Setaria pumila (Poir.) Roemer & J.A. Schultes yellow bristlegrass SEPUP Setaria pumila (Poir.) Roemer & J.A. Schultes ssp. pallidifusca (Schumacher) B.K. Simon yellow bristlegrass AJCH Ajuga chamaepitys (L.) Schreb. yellow bugle DYLU Dypsis lutescens (H. Wendl.) Beentje & Dransf. yellow butterfly palm DIFU Digitaria fuscescens (J. Presl) Henr. yellow crabgrass CRFL7 Crocus flavus Weston yellow crocus COSC5 Coronilla scorpioides (L.) W.D.J. Koch yellow crownvetch HELI4 Hemerocallis lilioasphodelus L. yellow daylily NYPE Nymphoides peltata (Gmel.) Kuntze yellow floatingheart DIGR4 Digitalis grandiflora P. Mill. yellow foxglove PAVI3 Parentucellia viscosa (L.) Caruel yellow glandweed PHAU80 Phyllostachys aureosulcata McClure yellow grove bamboo AIPR Aira praecox L. yellow hairgrass RUEL3 Rubus ellipticus Sm. yellow Himalayan raspberry RUELO Rubus ellipticus Sm. var. obcordatus Focke yellow Himalayan raspberry GLFL Glaucium flavum Crantz yellow hornpoppy SCFL9 Scoparia flava Cham. & Schlecht. yellow licorice weed RELU Reseda lutea L. yellow mignonette NOLU Nonea lutea (Desr.) Reichenb. ex DC. yellow monkswort TRFL5 Trisetum flavescens (L.) Beauv. yellow oatgrass LAAP2 Lathyrus aphaca L. yellow pea PEPT Peltophorum pterocarpa (DC.) Backer ex K. Heyne yellow poinciana TASE4 Tabebuia serratifolia (Vahl) Nichols. yellow poui TRDU Tragopogon dubius Scop. yellow salsify SASI7 Saxifraga sibthorpii Boiss. yellow saxifrage GAVE Galium verum L. Yellow Spring bedstraw CESO3 Centaurea solstitialis L. yellow star-thistle MEOF Melilotus officinalis (L.) Lam. yellow sweetclover IBLU Ibicella lutea (Lindl.) Van Eselt. yellow unicorn-plant GAMU4 Galium murale (L.) All. yellow wall bedstraw DICA10 Dioscorea cayennensis Lam. yellow yam IROR Iris orientalis P. Mill. yellowband iris SICH4 Silene chlorantha (Willd.) Ehrh. yellowgreen catchfly ALMU Alyssum murale Waldst. & Kit. yellowtuft POMA32 Podocarpus macrophyllus (Thunb.) Sweet yew plum pine POMAM Podocarpus macrophyllus (Thunb.) Sweet var. maki Endl. yew plum pine BAYU Bauhinia yunnanensis Franch. Yunnan bauhinia DISA17 Dioscorea sansibarensis Pax Zanzibar yam CUZE Curcuma zedoaria (Christm.) Roscoe zedoary TRME Trifolium medium L. zigzag clover PORI4 Podranea ricasoliana (Tanfani) Sprague Zimbabwe creeper PEHO2 Pelargonium ×hortorum Bailey (pro sp.) [inquinans × zonale] zonal geranium FIAF Fingerhuthia africana Lehm. Zulu fescue STGI Stapelia gigantea N.E. Br. Zulu giant

† Probably introduced to the U.S.

‡ Some populations in the U.S. are native and others are introduced from other countries

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