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 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

† 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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