Consequences to the native species and natural ecosystems of New York are the focus of the ranking system.
The ranking system is designed to be repeatable, based on the best available science, clearly explained, and fully
documented. The system can be used to assess non-native plant species that are established in New York State, species that are
new arrivals, as well as species that are not yet present. Additional information about the system can be found in “New York State
Plant Ranking System for Evaluating Non-Native Plant Species for Invasiveness”.
In order to better inform local efforts, species can be further assessed using the
The Brooklyn Botanic Garden plans to assess a total of 180 species in 2008-2009. Species assessments are reviewed, edited, and
approved by a committee of stakeholders designated as the
Scientific Review Committee (SRC). Voting members of the SRC include scientists,
nursery professionals, Cornell Cooperative Extension and land managers at the County, State and Federal levels. A supplemental review
is conducted by qualified specialists throughout the State prior to submission to the Advisory Committee and Council for final approval.
As assessment forms are completed and approved, they will be posted on this website.
| Scientific Name |
Common Name |
NYS Profile |
| Acer ginnala |
Amur maple |
NYS |
| Acer palmatum Thunb. |
Japanese maple |
NYS |
| Acer platanoides |
Norway maple |
NYS |
| Acer pseudoplatanus |
Sycamore maple |
NYS |
| Aegopodium podagraria |
Bishop's goutweed |
NYS |
| Agrostis gigantea Roth (Agrostis alba auct. non L.; Agrostis gigantea Roth var. dispar (Michx.) Philipson; Agrostis nigra With.; Agrostis stolonifera L. ssp. gigantea (Roth) Schuebl. & Martens; Agrostis stolonifera L. var. major (Gaudin) Farw.) |
Redtop, black bentgrass |
NYS |
| Ailanthus altissima (Miller) Swingle |
Tree of heaven |
NYS |
| Akebia quinata |
Chocolate vine |
NYS |
| Albizia julibrissin Durazz. |
Silktree, mimosa |
NYS |
| Alliaria petiolata |
Garlic mustard |
NYS |
| Alnus glutinosa |
European alder, black alder |
NYS |
| Amelopsis brevipedunculata |
Porcelain berry |
NYS |
| Anthriscus sylvestris (L.) Hoffm. |
Wild chervil |
NYS |
| Aralia elata |
Japanese angelica tree |
NYS |
| Artemesia vulgaris L. |
Common wormwood |
NYS |
| Arundinaria gigantea (Walter) Muhl. (including ssp. giantea and ssp. tecta (Walter) McClure [=A. tecta (Walter) Muhl.]) |
Bamboo, canebreak, giant cane |
NYS |
| Arthraxon hispidus |
Small carpgrass |
NYS |
| Berberis thunbergii (incl. B. ottowensis) |
Japanese barberry |
NYS |
| Berberis vulgaris |
Common barberry |
NYS |
| Brachypodium sylvaticum (Huds.) P. Beauv. ssp. sylvaticum |
Slender falsebrome |
NYS |
| Bromus tectorum L. |
Cheat grass, downy brome |
NYS |
| Buddleja davidii Franch. |
Orange-eye butterfly bush |
NYS |
| Cabomba caroliniana A. Gray, Ann |
Carolina fanwort |
NYS |
| Callitriche stagnalis Scop. |
Pond water-starwort |
NYS |
| Cardamine impatiens L. |
Narrowleaf bittercress |
NYS |
| Carex kobomugi/C. macrocephala |
Japanese sedge/largehead sedge |
NYS |
| Caulerpa taxifolia |
Killer alga |
NYS |
| Celastrus orbiculatus |
Oriental bittersweet |
NYS |
| Centaurea jacea s.l. (including C. nigra, C. nigrescens, C. xmoncktonii) |
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 |
NYS |
| Centaurea stoebe ssp. micranthos
s.l. (including C. biebersteinii, C. diffusa, C. maculosa misapplied, C. xpsammogena) |
Spotted knapweed, spotted star-thistle |
NYS |
| Cirsium arvense (L.) Scop. (C. setosum, C. incanum, Carduus arvensis, Serratula arvensis & all varieties of C.
arvense) |
Creeping thistle, Californian thistle, Canada thistle, field thistle |
NYS |
| Cirsium palustre (L.) Scop (Carduus palustris) |
Marsh thistle, European swamp thistle |
NYS |
| Clematis terniflora |
Japanese virgin's-bower |
NYS |
| Coronilla varia (Securigera varia) |
Crownvetch |
NYS |
| Cynanchum louiseae |
Black swallow-wort |
NYS |
| Cynanchum rossicum |
European swallow-wort |
NYS |
| Cyperus difformis L. |
Variable flatsedge |
NYS |
| Datura stramonium L. |
Jimsonweed, common thorn apple, Jamestown weed, purple thorn apple |
NYS |
| Digitalis lanata Ehrh. |
Grecian foxglove |
NYS |
| Digitalis purpurea L |
Purple foxglove |
NYS |
| Dioscorea polystachya (D. oppositifolia L. misapplied) |
Chinese yam, Cinnamon vine |
NYS |
| Dipsacus laciniatus L. |
Cut-leaf teasel |
NYS |
| Egeria densa Planchon |
Brazilian waterweed |
NYS |
| Eichhornia crassipes |
Common water-hyacinth |
NYS |
| Elaeagnus angustifolia |
Russian olive |
NYS |
| Elaeagnus umbellata |
Autumn olive |
NYS |
| Epilobium hirsutum L. |
Great hairy willow-herb |
NYS |
| Eragrostis curvula |
Weeping lovegrass |
NYS |
| Euonymus alatus |
Winged burning bush |
NYS |
| Euonymus europaeus L. |
European spindletree |
NYS |
| Euonymus fortunei |
Winter creeper |
NYS |
| Euphorbia cyparissias |
Cypress spurge |
NYS |
| Euphorbia esula |
Leafy spurge |
NYS |
| Euphorbia lathyris |
Caper spurge, moleplant |
NYS |
| Fallopia baldschuanica |
Bukhara fleeceflower |
NYS |
| Fallopia japonica (Hout.) Dcne. var. japonica, F. sachalinensis, F. xbohemica
(Polygonum cuspidatum, P. sachalinense, P. xboehmicum)
|
Japanese knotweed, giant knotweed |
NYS |
| Festuca filiformis Pourret |
Hair fescue |
NYS |
| Frangula alnus |
Glossy buckthorn |
NYS |
| Froelichia gracilis (Hook.) Moq. |
Slender cottonweed |
NYS |
| Galega officinalis |
Professor-weed, common milkpea, goat's-rue |
NYS |
| Galium odoratum L. Scop. (Asperula odorata L.) |
Sweet bedstraw |
NYS |
| Glaucium flavum |
Yellow hornpoppy |
NYS |
| Glossostigma cleistanthum (previously reported as G. diandrum) |
Mudmats |
NYS |
| Glyceria maxima (Hartm.) Holb. |
Tall glyceria, English watergrass, reed mannagrass |
NYS |
| Hedera helix |
English ivy |
NYS |
| Hemerocallis fulva |
Orange daylily |
NYS |
| Heracleum mantegazzianum Sommier & Levier |
Giant hogweed |
NYS |
| Hesperis matronalis |
Dame’s rocket |
NYS |
| Humulus japonicus Sieb. & Zucc. |
Japanese hops |
NYS |
| Hydrilla verticillata |
Waterthyme |
NYS |
| Hydrocharis morsus-ranae L. |
Frogbit |
NYS |
| Hypericum perforatum L. |
Common St. John's-wort |
NYS |
| Ilex crenata Thunb. |
Japanese holly |
NYS |
| Impatiens glandulifera |
Ornamental jewelweed |
NYS |
| Imperata cylindrica (L.) P.Beauv. (all vars. except koenigii) |
Cogongrass, Cogon satin-tail |
NYS |
| Iris pseudacorus |
Yellow iris |
NYS |
| Kochia scoparia (L.) Schrad. (Bassia scoparia (L.) A.J.Scott). |
Mexican summer-cypress, burning bush |
NYS |
| Lepidium latifolium L. |
Broadleaved Pepperweed |
NYS |
| Lespedeza bicolor Turcz. |
Shrub lespedeza, bicolor lespdeza |
NYS |
| Lespedeza cuneata |
Chinese bushclover |
NYS |
| Ligustrum amurense |
Amur privet |
NYS |
| Ligustrum obtusifolium |
Border privet |
NYS |
| Ligustrum ovalifolium |
California privet |
NYS |
| Ligustrum sinense |
Chinese privet |
NYS |
| Ligustrum vulgare |
European privet |
NYS |
| Lobelia chinensis Lour. |
Chinese lobelia |
NYS |
| Lonicera japonica Thunberg |
Japanese Honeysuckle |
NYS |
| Lonicera maackii (Rupr.) Maxim. |
Amur Honeysuckle |
NYS |
| Lonicera morrowii LOMO2 |
Morrow's honeysuckle |
|
| L. tatarica LOTA |
Tartarian honeysuckle |
NYS |
| L. xbella LOBE |
Fly honeysuckle |
|
| Lonicera xylosteum |
European Fly Honeysuckle |
NYS |
| Lotus corniculatus L. |
Bird's-foot trefoil |
NYS |
| Ludwigia grandiflora (Michx.) Greuter & Burdet ssp. hexapetala (Hook. &
Arn.) G.L. Nesom & Kartesz |
Uruguayan Primrose-willow |
NYS |
| Ludwigia peploides (Kunth) Raven ssp. glabrescens (Kuntze) Raven |
Floating primrose-willow |
NYS |
| Lysimachia clethroides Duby Planchon |
Goose-neck loosestrife |
NYS |
| Lysimachia nummularia |
Creeping Jenny |
NYS |
| Lysimachia punctata L. |
Spotted loosestrife |
NYS |
| Lysimachia vulgaris |
Garden loosestrife, garden yellow loostrife |
NYS |
| Lythrum salicaria L. |
Purple Loosestrife |
NYS |
| Marsilea quadrifolia |
European water-fern |
NYS |
| Microstegium vimineum |
Japanese stiltgrass, Eulalia, Nepalese browntop |
NYS |
| Miscanthus sacchariflorus (Maxim.) Hack. |
Japanese Silver Grass |
NYS |
| Miscanthus sinensis Anderss. |
Chinese silvergrass |
NYS |
| Morus alba |
White mulberry |
NYS |
| Murdannia keisak (Hassk.) Hand.-Maz. |
Marsh dewflower, wart-removing herb |
NYS |
| Myosotis scorpioides L. |
True forget-me-not |
NYS |
| Myriophyllum aquaticum (Vellozo) Verdcourt |
Parrot-feather |
NYS |
| Myriophyllum heterophyllum Michx. (including M. heterophyllum X M.
pinnatum) |
Broadleaf water-milfoil |
NYS |
| Myriophyllum spicatum L. |
Eurasian water-milfoil |
NYS |
| Najas minor All. |
Brittle water nymph |
NYS |
| Nasturtium officinale R. Br. ex Ait. (Rorippa nasturtium-aquaticum
(Linnaeus) Hayek, Sched. |
Watercress |
NYS |
| Nelumbo nucifera |
Sacred lotus |
NYS |
| Nymphoides peltata |
Yellow floating heart |
NYS |
| Oplismenus hirtellus (L.) Beauv. subsp. undulatifolius (Ard.) U. Scholz |
Wavyleaf basketgrass, bristle basketgrass |
NYS |
| Paulownia tomentosa |
Princess-tree |
NYS |
| Persicaria longiseta (Bruijn) Kitagawa (Polygonum caespitosum var.
longiseta) |
Creeping smartweed |
NYS |
| Persicaria nepalensis (Meisn.) H. Gross (=Polygonum
nepalense Meisn.) |
Nepal smartweed |
NYS |
| Persicaria perfoliata |
Mile-a-minute weed, mile-a-minute vine |
NYS |
| Phalaris arundinacea |
Reed canarygrass |
NYS |
| Phellodendron amurense |
Amur corktree |
NYS |
| Phleum pratense |
Timothy |
NYS |
| Phragmites australis ssp. Australis |
Common reed |
NYS |
| Phyllostachys Seibold. & Zucc. spp. (includes P. aurea Carrière ex A. Rivière
& C. Rivière, P. aureosulcata McClure, P. bambusoides Siebold & Zucc., P. dulcis McClure,
P. edulis (Carrière) J. Houz., P. flexuosa A. Rivière & C. Rivière, P. nigra (Lodd. ex Lindl.) Munro,
P. viridiglaucescens A. Rivière & C. Rivière |
Bamboo |
NYS |
| Pinellia ternata (Thunb.) Makino ex Breitenbach |
Crowdipper, green dragon |
NYS |
| Pinus thunbergii |
Japanese black pine |
NYS |
| Pistia stratiotes L. |
Water lettuce |
NYS |
| Poa bulbosa L. |
Bulbous bluegrass |
NYS |
| Poa compressa L. |
Canada bluegrass |
NYS |
| Poa pratensis L. |
Kentucky bluegrass |
NYS |
| Populus alba |
White poplar |
NYS |
| Potamogeton crispus L. |
Curly pondweed |
NYS |
| Prunus avium L. |
Sweet cherry |
NYS |
| Prunus cerasus L. |
Sour Cherry |
NYS |
| Prunus padus L. |
European bird cherry |
NYS |
| Pseudosasa japonica (Siebold & Zucc. ex Steud.) Makino ex Nakai |
Arrow bamboo |
NYS |
| Pueraria montana |
Kudzu |
NYS |
| Pyrus calleryana |
Callery pear |
NYS |
| Ranunculus ficaria |
Lesser celandine, fig buttercup |
NYS |
| Ranunculus repens L. |
Creeping Butter-cup |
NYS |
| Rhamnus cathartica |
Common buckthorn |
NYS |
| Rhodotypos scandens |
Jetbead |
NYS |
| Robinia hispida L. (var. fertilis & hispida) |
Bristly locust, mossy locust, rose acacia |
NYS |
| Robinia pseudoacacia |
Black locust |
NYS |
| Rorippa amphibia L. Besser (Nasturtium amphibium L. W.T. Ait.) |
Great yellowcress |
NYS |
| Rosa multiflora |
Multiflora rose |
NYS |
| Rosa rugosa |
Rugosa rose, Japanese rose |
NYS |
| Rubus laciniatus |
Cutleaf blackberry |
NYS |
| Rubus bifrons Vest. ex Tratt. (R. armeniacus Focke; R. discolor Weihe &
Nees, R. fruticosus exclusive of its type as per USDA) |
Himalayan blackberry |
NYS |
| Rubus phoenicolasius |
Wineberry |
NYS |
| Rumex acetosella |
Sheep sorrel |
NYS |
| Salix atrocinerea/cinerea |
Large gray willow, European gray willow |
NYS |
| Salvinia molesta |
Water fern |
NYS |
| Saponaria officinalis L. |
Bouncing-bet, bouncing betty, soapwort |
NYS |
| Senecio jacobaea L. |
Tansy-ragwort |
NYS |
| Schedonorus phoenix (Scop.) Holub (S. arundinaceus (Schreb.) Dum. nom. illeg.; Festuca arundinacea Schreb. ; F. elatior L. nom. rej.; Lolium arundinaceum (Schreb.) S.J. Darbyshire) |
Tall Fescue, Kentucky Fescue, Reed Fescue, Coarse Fescue, Alta Fescue |
NYS |
| Silphium perfoliatum L. var. perfoliatum |
Cup plant |
NYS |
| Solanum dulcamara L. var. dulcamara |
Trailing nightshade, bittersweet nightshade, climbing nightshade |
NYS |
| Sorbaria sorbifolia (L.) A. Braun |
False spiraea |
NYS |
| Spiraea japonica |
Japanese spiraea |
NYS |
| Stratiotes aloides L. |
Water soldiers |
NYS |
| Syringa reticulata (Blume) H.Hara[(=S. amurensis (Rupr.) Rupr.; including S. pekinensis Rupr.] |
Japanese tree lilac |
NYS |
| Tanacetum vulgare L. |
Common tansy |
NYS |
| Trapa natans L. |
water chestnut, water caltrop |
NYS |
| Tussilago farfara L. |
Coltsfoot |
NYS |
| Ulmus pumila L. |
Siberian elm |
NYS |
| Valeriana officinalis |
Common valerian |
NYS |
| Verbena bonariensis L. var. bonariensis |
Purpletop vervain |
NYS |
| Veronica beccabunga L. |
European speedwell |
NYS |
| Veronica officinalis L. |
Common speedwell, gypsy-weed |
NYS |
| Viburnum dilatatum Thunb. |
Linden arrowwood |
NYS |
| Viburnum lantana L. |
Wayfaring-tree |
NYS |
| Viburnum opulus L. var. opulus |
European cranberry bush, Guelder rose |
NYS |
| Viburnum setigerum |
Tea viburnum |
NYS |
| Viburnum sieboldii |
Siebold's arrow-wood, Sielbold's viburnum |
NYS |
| Vicia cracca L. s.l. (includes: Vicia cracca L. subsp. cracca, V. cracca subsp tenuifolia (Roth) Gaudin, V. villosa subsp pseudocracca (Bertol.) Ball, V. villosa var. varia (Host) Corb., V. villosa Roth var. villosa) |
Bird vetch, cow vetch, winter vetch, bramble vetch, tufted vetch, shaggy vetch |
NYS |
| Vinca minor |
Common periwinkle |
NYS |
| Vitex rotundifolia L.F. |
Roundleaf chastetree, beach vitex, chasteberry, monk's pepper |
NYS |
| Wisteria sinensis/W. floribunda |
Chinese wisteria/Japanese wisteria |
NYS |
| |
|
|