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 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

† 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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