Connecticut Invasive Plant Working Group

https://cipwg.uconn.edu/invasive_plant_list/

Common Name Scientific Name
kudzu Pueraria montana var. lobata (Willd.) Maesen & S. Almeida
princesstree Paulownia tomentosa (Thunb.) Sieb. & Zucc. ex Steud.
giant salvinia Salvinia molesta D. S. Mitchell
Canada thistle Cirsium arvense (L.) Scop.
Norway maple Acer platanoides L.
tree-of-heaven Ailanthus altissima (P. Mill.) Swingle
garlic mustard Alliaria petiolata (Bieb.) Cavara & Grande
Japanese barberry Berberis thunbergii DC.
round leaf bittersweet Celastrus orbiculatus Thunb.
Brazilian waterweed, Brazilian elodea Egeria densa Planch.
autumn olive Elaeagnus umbellata Thunb.
Russian olive Elaeagnus angustifolia L.
winged burning bush Euonymus alatus (Thunb.) Sieb.
ground ivy Glechoma hederacea L.
hydrilla Hydrilla verticillata (L. f.) Royle
European privet Ligustrum vulgare L.
Japanese honeysuckle, golden honeysuckle vine Lonicera japonica Thunb.
Amur honeysuckle Lonicera maackii (Rupr.) Herder
Morrow's honeysuckle Lonicera morrowii Gray
Tatarian honeysuckle Lonicera tatarica L.
purple loosestrife Lythrum salicaria L.
Japanese stiltgrass Microstegium vimineum (Trin.) A. Camus
bristle miscanthus Miscanthus sinensis Anderss.
parrotfeather Myriophyllum aquaticum (Vell.) Verdc.
Eurasian watermilfoil Myriophyllum spicatum L.
brittleleaf naiad Najas minor All.
common reed Phragmites australis (Cavanilles) Trinius ex Steudel
water lettuce Pistia stratiotes L.
mile-a-minute vine, Asiatic tearthumb Persicaria perfoliata (L.) H. Gross
white poplar Populus alba L.
lesser celandine, fig buttercup Ficaria verna Huds.
common buckthorn, European buckthorn Rhamnus cathartica L.
multiflora rose Rosa multiflora Thunb.
wine raspberry Rubus phoenicolasius Maxim.
Japanese wisteria Wisteria floribunda (Willd.) DC.
Chinese wisteria Wisteria sinensis (Sims) DC.
cypress spurge Euphorbia cyparissias L.
black locust Robinia pseudoacacia L.
black dog-strangling vine, black swallowwort Vincetoxicum nigrum (L.) Moench
European water chestnut Trapa natans L.
Amur maple Acer ginnala Maxim.
dog-strangling vine, European swallowwort, pale swallow-wort Vincetoxicum rossicum (Kleopov) Barbarich
Scotch thistle Onopordum acanthium L.
giant hogweed Heracleum mantegazzianum Sommier & Levier
indigobush Amorpha fruticosa L.
small carpetgrass, joint-head grass Arthraxon hispidus (Thunb.) Makino
mugwort Artemisia vulgaris L.
common barberry Berberis vulgaris L
cheatgrass, downy brome Bromus tectorum L.
flowering rush Butomus umbellatus L.
Carolina fanwort, fanwort Cabomba caroliniana A. Gray
jimsonweed Datura stramonium L.
quackgrass Elymus repens (L.) Gould
glossy buckthorn Frangula alnus Mill.
dames rocket Hesperis matronalis L.
pale yellow iris, yellow flag iris Iris pseudacorus L.
perennial pepperweed Lepidium latifolium L.
showy fly honeysuckle, Bell's honeysuckle Lonicera x bella Zabel [morrowii × tatarica]
creeping yellow loosestrife, creeping Jenny Lysimachia nummularia L.
garden loosestrife Lysimachia vulgaris L.
true forget-me-not Myosotis scorpioides L.
star-of-Bethlehem Ornithogalum umbellatum L.
reed canarygrass Phalaris arundinacea L.
Canada bluegrass Poa compressa L.
curly leaf pondweed Potamogeton crispus L.
red sorrel Rumex acetosella L.
bittersweet nightshade Solanum dulcamara L.
coltsfoot Tussilago farfara L.
common valerian Valeriana officinalis L.
border privet Ligustrum obtusifolium Sieb. & Zucc.
hooked hair hops Humulus japonicus Siebold & Zucc.
Japanese sedge Carex kobomugi Ohwi
Sycamore maple Acer pseudoplatanus L.
Callery pear (Bradford pear) Pyrus calleryana Decne.
goutweed Aegopodium podagraria L.
Japanese angelica tree Aralia elata (Miq.) Seem
European waterstarwort Callitriche stagnalis Scop.
narrowleaf bittercress Cardamine impatiens L.
slender snakecotton Froelichia gracilis (Hook.) Moq.
California privet Ligustrum ovalifolium Hassk.
dwarf honeysuckle Lonicera xylosteum L.
meadow campion Silene flos-cuculi (L.) Clairv.
Seaside rose Rosa rugosa Thunb.
crested latesummer mint Elsholtzia ciliata (Thunb.) Hyl.
Himalayan balsam Impatiens glandulifera Royle
European water-clover Marsilea quadrifolia L.
twoleaf watermilfoil Myriophyllum heterophyllum Michx.
yellow floating heart Nymphoides peltata (S.G. Gmel.) Kuntze
cup rosinweed Silphium perfoliatum L.
watercress Nasturtium officinale R. Brown
American lotus Nelumbo lutea Willd.
Japanese knotweed Reynoutria japonica Sieb. & Zucc.
kochia Bassia scoparia (L.) A.J. Scott
giant knotweed Reynoutria sachalinensis F. Schmidt ex Maxim.
rough mannagrass Glyceria maxima (Hartman) Holmb.
onerow yellowcress Nasturtium microphyllum Boenn. ex Rchb.
Oriental lady's thumb Polygonum posumbu Buch.-Ham. ex D. Don
tansy ragwort Jacobaea vulgaris Gaertn.
leafy spurge Euphorbia virgata Waldst. & Kit.
porcelain-berry Ampelopsis glandulosa var. brevipedunculata (Maxim.) Momiy.
common water hyacinth Pontederia crassipes Martius
spotted knapweed Centaurea stoebe australis (Pancic ex A.Kern.) Greuter