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 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

† 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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