Please visit the Non-native Plant Species Assessments page to download the assessments.
| Common Name | Scientific Name |
| Amur corktree | Phellodendron amurense |
| Amur Honeysuckle | Lonicera maackii (Rupr.) Maxim. |
| Amur maple | Acer ginnala |
| Amur privet | Ligustrum amurense Caar. |
| Arrow bamboo | Pseudosasa japonica (Siebold & Zucc. ex Steud.) Makino ex Nakai |
| Autumn olive | Elaeagnus umbellata |
| Bamboo, canebreak, giant cane | Arundinaria gigantea (Walter) Muhl. (including ssp. giantea and ssp. tecta(Walter) McClure [=A. tecta (Walter) Muhl.]) |
| Bird vetch, cow vetch, winter vetch, bramble vetch, tufted vetch, shaggy vetch | Vicia cracca L. s.l. |
| Bird’s-foot trefoil | Lotus corniculatus L. |
| Bishop’s goutweed | Aegopodium podagraria |
| Black knapweed, black star-thistle, brown knapweed, brown ray knapweed, brown star-thistle, lesser knapweed, meadow knapweed, protean knapweed, short-fringed knapweed, short-fringed star-thistle, tyrol knapweed, vochin knapweed | Centaurea jacea s.l. (including C. nigra, C. nigrescens, C. xmoncktonii) |
| Black locust | Robinia pseudoacacia |
| Black swallow-wort | Cynanchum louiseae |
| Border privet | Ligustrum obtusifolium Siebold & Zuccarini |
| Bouncing-bet, bouncing betty, soapwort | Saponaria officinalis L. |
| Brazilian waterweed | Egeria densa Planchon |
| Bristly locust, mossy locust, rose acacia | Robinia hispida L. (var. fertilis & hispida) |
| Brittle water nymph | Najas minor All. |
| Broadleaf water-milfoil | Myriophyllum heterophyllum Michx. (including M. heterophyllum X M. pinnatum) |
| Broadleaved Pepperweed, peppergrass | Lepidium latifolium L. |
| Bukhara fleeceflower, China fleece vine, silver lace vine | Fallopia baldschuanica |
| Bulbous bluegrass | Poa bulbosa L. |
| California privet | Ligustrum ovalifolium |
| Callery pear | Pyrus calleryana |
| Canada bluegrass | Poa compressa L. |
| Caper spurge, moleplant | Euphorbia lathyris |
| Carolina fanwort | Cabomba caroliniana A. Gray, Ann |
| Cheat grass, downy brome | Bromus tectorum L. |
| Chinese lespedeza, Chinese bushclover | Lespedeza cuneata |
| Chinese lobelia | Lobelia chinensis Lour. |
| Chinese privet | Ligustrum sinense |
| Chinese silvergrass, eulalia | Miscanthus sinensis Anderss. |
| Chinese wisteria/Japanese wisteria | Wisteria sinensis/W. floribunda |
| Chinese yam, Cinnamon vine | Dioscorea polystachya (D. oppositifolia L. misapplied) |
| Chocolate vine | Akebia quinata |
| Cogongrass, Cogon satin-tail | Imperata cylindrica (L.) P.Beauv. (all vars. except koenigii) |
| Coltsfoot | Tussilago farfara L. |
| Common barberry | Berberis vulgaris |
| Common buckthorn | Rhamnus cathartica |
| Common periwinkle | Vinca minor |
| Common reed | Phragmites australis ssp. Australis |
| Common speedwell, gypsy-weed | Veronica officinalis L. |
| Common St. John’s-wort | Hypericum perforatum L. |
| Common tansy | Tanacetum vulgare L. |
| Common valerian | Valeriana officinalis |
| Common water-hyacinth | Eichhornia crassipes |
| Common wormwood, Mugwort | Artemesia vulgaris L. |
| Creeping Butter-cup | Ranunculus repens L. |
| Creeping Jenny, moneywort | Lysimachia nummularia |
| Creeping smartweed | Persicaria longiseta (Bruijn) Kitagawa (Polygonum caespitosum var. longiseta) |
| Creeping thistle, Californian thistle, Canada thistle, field thistle | Cirsium arvense (L.) Scop. (C. setosum, C. incanum, Carduus arvensis, Serratula arvensis & all varieties of C. arvense) |
| Crowdipper, green dragon | Pinellia ternata (Thunb.) Makino ex Breitenbach |
| Crownvetch | Coronilla varia (Securigera varia) |
| Cup plant | Silphium perfoliatum L. var. perfoliatum |
| Curly pondweed | Potamogeton crispus L. |
| Cutleaf Evergreen Blackberry, Evergreen blackberry | Rubus laciniatus |
| Cut-leaf teasel | Dipsacus laciniatus L. |
| Cypress spurge | Euphorbia cyparissias |
| Dame’s rocket | Hesperis matronalis |
| English ivy | Hedera helix |
| Eurasian water-milfoil | Myriophyllum spicatum L. |
| European alder, black alder | Alnus glutinosa |
| European bird cherry | Prunus padus L. |
| European cranberry bush, Guelder rose | Viburnum opulus L. var. opulus |
| European Fly Honeysuckle | Lonicera xylosteum |
| European privet | Ligustrum vulgare |
| European speedwell | Veronica beccabunga L. |
| European spindletree | Euonymus europaeus L. |
| European swallow-wort | Cynanchum rossicum |
| European water-fern | Marsilea quadrifolia |
| False spiraea | Sorbaria sorbifolia (L.) A. Braun |
| Five-fingered (or fiveleaf) aralia | Acanthopanax sieboldianus Makino) |
| Five-leaved Aralia | Eleutherococcus pentaphyllus (Siebold & Zucc.) Nakai (Synonyms: Eleutherococcus seiboldianus (Makino) Koidzumi; |
| Floating primrose-willow | Ludwigia peploides (Kunth) Raven ssp. glabrescens (Kuntze) Raven |
| flowering-rush | Butomus umbellatus L. |
| Frogbit | Hydrocharis morsus-ranae L. |
| Garden loosestrife, garden yellow loostrife | Lysimachia vulgaris |
| Garlic mustard | Alliaria petiolata |
| Giant hogweed | Heracleum mantegazzianum Sommier & Levier |
| Glossy buckthorn, smooth buckthorn | Frangula alnus |
| Goose-neck loosestrife | Lysimachia clethroides Duby Planchon |
| Great hairy willow-herb, codlins & cream | Epilobium hirsutum L. |
| Great yellowcress, water yellowcress | Rorippa amphibia L. Besser (Nasturtium amphibium L. W.T. Ait.) |
| Grecian foxglove | Digitalis lanata Ehrh. |
| Hair fescue | Festuca filiformis Pourret |
| Himalayan blackberry | Rubus bifrons Vest. ex Tratt. (R. armeniacus Focke; R. discolor Weihe & Nees, R. fruticosus exclusive of its type as per USDA |
| Japanese angelica tree | Aralia elata |
| Japanese barberry | Berberis thunbergii (incl. B. ottowensis) |
| Japanese black pine | Pinus thunbergii |
| Japanese Chaff Flower | Achyranthes japonica (Miq.) Nakai (syn. Achyranthes bidentata var. japonica Miq.) |
| Japanese holly | Ilex crenata Thunb. |
| Japanese Honeysuckle | Lonicera japonica Thunberg |
| Japanese hops | Humulus japonicus Sieb. & Zucc. |
| Japanese knotweed, giant knotweed | Fallopia japonica (Hout.) Dcne. var. japonica, F. sachalinensis, F. xbohemica(Polygonum cuspidatum, P. sachalinense, P. xboehmicum) |
| Japanese maple | Acer palmatum Thunb. |
| Japanese sedge/largehead sedge | Carex kobomugi/C. macrocephala |
| Japanese Silver Grass | Miscanthus sacchariflorus (Maxim.) Hack. |
| Japanese spiraea | Spiraea japonica |
| Japanese stiltgrass, Eulalia, Nepalese browntop | Microstegium vimineum |
| Japanese tree lilac | Syringa reticulata (Blume) H.Hara[(=S. amurensis (Rupr.) Rupr.; including S. pekinensis Rupr.] |
| Japanese virgin’s-bower | Clematis terniflora |
| Jetbead | Rhodotypos scandens |
| Jimsonweed, common thorn apple, Jamestown weed, purple thorn apple | Datura stramonium L. |
| Kentucky bluegrass | Poa pratensis L. |
| Killer alga | Caulerpa taxifolia |
| Kudzu | Pueraria montana |
| Large gray willow, European gray willow, Gray florist’s willow | Salix atrocinerea/cinerea |
| Leafy spurge | Euphorbia esula |
| Leporinum barley; Hare barley | Hordeum murinum L. ssp. leporinum (Link) Arcang. |
| Lesser celandine, fig buttercup | Ranunculus ficaria |
| Linden arrowwood | Viburnum dilatatum Thunb. |
| Marsh dewflower, wart-removing herb | Murdannia keisak (Hassk.) Hand.-Maz. |
| Marsh thistle, European swamp thistle | Cirsium palustre (L.) Scop (Carduus palustris) |
| Mexican summer-cypress, burning bush | Kochia scoparia (L.) Schrad. (Bassia scoparia (L.) A.J.Scott). |
| Mile-a-minute | Persicaria perfoliata |
| Morrow’s honeysuckle, Tartarian honeysuckle, Fly honeysuckle | Lonicera morrowii LOMO2, L. tatarica LOTA, L. xbella LOBE |
| Mudmats | Glossostigma cleistanthum (previously reported as G. diandrum) |
| Multiflora rose | Rosa multiflora |
| Narrowleaf bittercress | Cardamine impatiens L. |
| Nepal smartweed | Persicaria nepalensis (Meisn.) H. Gross (=Polygonum nepalense Meisn.) |
| Norway maple | Acer platanoides |
| Orange daylily | Hemerocallis fulva (L.) |
| Orange-eye butterfly bush | Buddleja davidii Franch. |
| Oriental bittersweet | Celastrus orbiculatus |
| Ornamental jewelweed | Impatiens glandulifera |
| Parrot-feather | Myriophyllum aquaticum (Vellozo) Verdcourt |
| Pond water-starwort | Callitriche stagnalis Scop. |
| Porcelain berry | Amelopsis brevipedunculata |
| Princess-tree | Paulownia tomentosa |
| Professor-weed, common milkpea, goat’s-rue | Galega officinalis |
| Purple foxglove | Digitalis purpurea L |
| Purple Loosestrife | Lythrum salicaria L. |
| Purpletop vervain | Verbena bonariensis L. var. bonariensis |
| Redtop, black bentgrass | Agrostis gigantea Roth |
| Reed canarygrass | Phalaris arundinacea |
| Roundleaf chastetree, beach vitex, chasteberry, monk’s pepper | Vitex rotundifolia L.F. |
| Rugosa rose, Japanese rose, beach rose | Rosa rugosa |
| Russian olive | Elaeagnus angustifolia |
| Sacred lotus | Nelumbo nucifera |
| Sheep sorrel | Rumex acetosella |
| Shrub lespedeza, bicolor lespdeza, shrubby bush clover | Lespedeza bicolor Turcz. |
| Siberian elm | Ulmus pumila L. |
| Siberian peashrub | Caragana arborescens Lam. |
| Siebold’s arrow-wood, Sielbold’s viburnum | Viburnum sieboldii |
| Silktree, mimosa | Albizia julibrissin Durazz. |
| Slender cottonweed | Froelichia gracilis (Hook.) Moq. |
| Slender falsebrome | Brachypodium sylvaticum (Huds.) P. Beauv. ssp. sylvaticum |
| Small carpgrass | Arthraxon hispidus |
| Sour Cherry | Prunus cerasus L. |
| Spotted knapweed, spotted star-thistle | Centaurea stoebe ssp. micranthos s.l. (including C. biebersteinii, C. diffusa, C. maculosa misapplied, C. xpsammogena) |
| Spotted loosestrife | Lysimachia punctata L. |
| Sweet bedstraw | Galium odoratum L. Scop. (Asperula odorata L.) |
| Sweet cherry | Prunus avium L. |
| Sycamore maple | Acer pseudoplatanus |
| Tall Fescue, Kentucky Fescue, Reed Fescue, Coarse Fescue, Alta Fescue | Schedonorus phoenix (Scop.) |
| Tall glyceria, English watergrass, reed mannagrass | Glyceria maxima (Hartm.) Holb. |
| Tansy-ragwort | Senecio jacobaea L. |
| Tea viburnum | Viburnum setigerum |
| Timothy | Phleum pratense |
| Trailing nightshade, bittersweet nightshade, climbing nightshade | Solanum dulcamara L. var. dulcamara |
| Tree of heaven | Ailanthus altissima (Miller) Swingle |
| True forget-me-not | Myosotis scorpioides L. |
| Uruguayan Primrose-willow | Ludwigia grandiflora (Michx.) Greuter & Burdet ssp. hexapetala (Hook. & Arn.) G.L. Nesom & Kartesz |
| Variable flatsedge | Cyperus difformis L. |
| water chestnut, water caltrop | Trapa natans L. |
| Water fern | Salvinia molesta |
| Water lettuce | Pistia stratiotes L. |
| Water soldiers | Stratiotes aloides L. |
| Watercress | Nasturtium officinale R. Br. ex Ait. (Rorippa nasturtium-aquaticum(Linnaeus) Hayek, Sched. |
| Waterthyme | Hydrilla verticillata |
| Wavyleaf basketgrass, bristle basketgrass | Oplismenus hirtellus (L.) Beauv. subsp. undulatifolius (Ard.) U. Scholz |
| Wayfaring-tree | Viburnum lantana L. |
| Weeping lovegrass | Eragrostis curvula |
| White mulberry | Morus alba |
| White poplar | Populus alba |
| Wild chervil | Anthriscus sylvestris (L.) Hoffm. |
| Wineberry | Rubus phoenicolasius |
| Winged burning bush, winged euonymus | Euonymus alatus |
| Winter creeper | Euonymus fortunei |
| Yellow floating heart | Nymphoides peltata |
| Yellow groove bamboo [grove is a misspelling] and golden bamboo | Phyllostachys aureosulcata McClure and P. aurea Carrière ex A. Rivière and C. Rivière) |
| Yellow hornpoppy | Glaucium flavum Crantz |
| Yellow flag iris | Iris pseudacorus |