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 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†

† 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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