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NRCS Invasive Species Policy
Invasive Species Executive Order 13112
Connecticut State-listed Noxious Weeds
102 records returned
Click on an accepted name below to view its PLANTS Profile with more information, and
web links if available. Noxious weeds that are synonyms retain their noxious status, and are indented beneath the current PLANTS accepted name.
Connecticut Invasive Plants Council. 2004.
Connecticut invasive plant list
(20 April 2005).
Connecticut Invasive Plants Council.
| Symbol |
Scientific Name |
Noxious Common Name |
State Noxious Status† |
Native Status* |
| AMBR7 |
Ampelopsis brevipedunculata (Maxim.) Trautv. |
porcelainberry |
PINB |
L48 (I) |
| CAKO2 |
Carex kobomugi Ohwi |
Japanese sedge |
PIB |
L48 (I) |
| HYVE3 |
Hydrilla verticillata (L. f.) Royle |
hydrilla |
IB |
L48 (I) |
| LIOB |
Ligustrum obtusifolium Siebold & Zucc. |
border privet |
PIB |
L48 (I) |
| PATO2 |
Paulownia tomentosa (Thunb.) Siebold & Zucc. ex Steud. |
princess tree |
PIB |
L48 (I) |
| POPE10 |
Polygonum perfoliatum L. |
mile-a-minute vine |
IB |
L48 (I) |
| RUPH |
Rubus phoenicolasius Maxim. |
wineberry |
PIB |
L48 (I) |
| ALPE4 |
Alliaria petiolata (M. Bieb.) Cavara & Grande |
garlic mustard |
IB |
L48 (I), AK (I), CAN (I) |
| GLHE2 |
Glechoma hederacea L. |
ground ivy |
PIB |
L48 (I), AK (I), CAN (I) |
| HEMA3 |
Hesperis matronalis L. |
dame's rocket |
IB |
L48 (I), AK (I), CAN (I) |
| LOTA |
Lonicera tatarica L. |
Tatarian honeysuckle |
PIB |
L48 (I), AK (I), CAN (I) |
| MYSP2 |
Myriophyllum spicatum L. |
Eurasian watermilfoil |
IB |
L48 (I), AK (I), CAN (I) |
| POSA4 |
Polygonum sachalinense F. Schmidt ex Maxim. |
giant knotweed |
PIB |
L48 (I), AK (I), CAN (I) |
| CIAR4 |
Cirsium arvense (L.) Scop. |
Canada thistle |
PIB |
L48 (I), AK (I), CAN (I), GL (I), SPM (I) |
| MYSC |
Myosotis scorpioides L. |
forget-me-not |
IB |
L48 (I), AK (I), CAN (I), SPM (I) |
| POCU6 |
Polygonum cuspidatum Siebold & Zucc. |
Japanese knotweed |
IB |
L48 (I), AK (I), CAN (I), SPM (I) |
| RORU |
Rosa rugosa Thunb. |
rugosa rose |
PINB |
L48 (I), AK (I), CAN (I), SPM (I) |
| BRTE |
Bromus tectorum L. |
drooping brome-grass |
PIB |
L48 (I), AK (I), HI (I), CAN (I), GL (I) |
| RUAC3 |
Rumex acetosella L. |
sheep sorrel |
PIB |
L48 (I), AK (I), HI (I), CAN (I), GL (I), SPM (I) |
| NAMI2 |
Nasturtium microphyllum Boenn. ex Rchb. |
|
|
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
| ROMI3 |
Rorippa microphylla (Boenn. ex Rchb.) Hyl. ex Á. Löve & D. Löve |
onerow yellowcress |
PIB |
|
| POCO |
Poa compressa L. |
Canada bluegrass |
PIB |
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
| NAOF |
Nasturtium officinale W.T. Aiton |
|
|
L48 (I), AK (I), PR (I), VI (I), CAN (I), SPM (I) |
| RONA2 |
Rorippa nasturtium-aquaticum (L.) Hayek |
watercress |
PIB |
|
| ACGI |
Acer ginnala Maxim. |
Amur maple |
PINB |
L48 (I), CAN (I) |
| ACPL |
Acer platanoides L. |
Norway maple |
INB |
L48 (I), CAN (I) |
| ACPS |
Acer pseudoplatanus L. |
sycamore maple |
PIB |
L48 (I), CAN (I) |
| BASC5 |
Bassia scoparia (L.) A.J. Scott |
|
|
L48 (I), CAN (I) |
| KOSC |
Kochia scoparia (L.) Schrad. |
common kochia |
PIB |
|
| BETH |
Berberis thunbergii DC. |
Japanese barberry |
INB |
L48 (I), CAN (I) |
| BEVU |
Berberis vulgaris L. |
common barberry |
IB |
L48 (I), CAN (I) |
| BUUM |
Butomus umbellatus L. |
flowering rush |
PIB |
L48 (I), CAN (I) |
| CAIM |
Cardamine impatiens L. |
narrowleaf bittercress |
IB |
L48 (I), CAN (I) |
| CEOR7 |
Celastrus orbiculatus Thunb. |
oriental bittersweet |
IB |
L48 (I), CAN (I) |
| CYLO11 |
Cynanchum louiseae Kartesz & Gandhi |
black swallow-wort |
IB |
L48 (I), CAN (I) |
| CYRO8 |
Cynanchum rossicum (Kleopow) Borhidi |
pale swallow-wort |
IB |
L48 (I), CAN (I) |
| ELAN |
Elaeagnus angustifolia L. |
Russian olive |
PIB |
L48 (I), CAN (I) |
| ELCI |
Elsholtzia ciliata (Thunb.) Hyl. |
crested late-summer mint |
PIB |
L48 (I), CAN (I) |
| EUAL13 |
Euonymus alatus (Thunb.) Siebold |
|
|
L48 (I), CAN (I) |
| EUAL8 |
Euonymus alata (Thunb.) Siebold, orth. var. |
winged euonymus |
INB |
|
| EUCY2 |
Euphorbia cyparissias L. |
cypress spurge |
PIB |
L48 (I), CAN (I) |
| EUES |
Euphorbia esula L. |
leafy spurge |
IB |
L48 (I), CAN (I) |
| FRAL4 |
Frangula alnus Mill. |
glossy buckthorn |
INB |
L48 (I), CAN (I) |
| GLMA3 |
Glyceria maxima (Hartm.) Holmb. |
reed mannagrass |
PIB |
L48 (I), CAN (I) |
| HEMA17 |
Heracleum mantegazzianum Sommier & Levier |
giant hogweed |
PIB |
L48 (I), CAN (I) |
| HUJA |
Humulus japonicus Siebold & Zucc. |
Japanese hops |
PIB |
L48 (I), CAN (I) |
| IMGL |
Impatiens glandulifera Royle |
ornamental jewelweed |
PIB |
L48 (I), CAN (I) |
| IRPS |
Iris pseudacorus L. |
yellow iris |
IB |
L48 (I), CAN (I) |
| LELA2 |
Lepidium latifolium L. |
perennial pepperweed |
IB |
L48 (I), CAN (I) |
| LIVU |
Ligustrum vulgare L. |
European privet |
PINB |
L48 (I), CAN (I) |
| LOBE |
Lonicera ×bella Zabel [morrowii × tatarica] |
Bell's honeysuckle |
IB |
L48 (I), CAN (I) |
| LOMA6 |
Lonicera maackii (Rupr.) Herder |
Amur honeysuckle |
IB |
L48 (I), CAN (I) |
| LOMO2 |
Lonicera morrowii A. Gray |
Morrow's honeysuckle |
IB |
L48 (I), CAN (I) |
| LOXY |
Lonicera xylosteum L. |
dwarf honeysuckle |
PIB |
L48 (I), CAN (I) |
| LYFL3 |
Lychnis flos-cuculi L. |
ragged robin |
PIB |
L48 (I), CAN (I) |
| LYNU |
Lysimachia nummularia L. |
moneywort |
PINB |
L48 (I), CAN (I) |
| LYVU |
Lysimachia vulgaris L. |
garden loosestrife |
PIB |
L48 (I), CAN (I) |
| MISI |
Miscanthus sinensis Andersson |
eulalia |
PINB |
L48 (I), CAN (I) |
| NAMI |
Najas minor All. |
brittle water-nymph |
PIB |
L48 (I), CAN (I) |
| NYPE |
Nymphoides peltata (S.G. Gmel.) Kuntze |
yellow floating heart |
PIB |
L48 (I), CAN (I) |
| ORUM |
Ornithogalum umbellatum L. |
star-of-bethlehem |
PINB |
L48 (I), CAN (I) |
| POCE4 |
Polygonum cespitosum Blume, nom. inq. |
|
|
L48 (I), CAN (I) |
| POCA49 |
Polygonum caespitosum Blume, orth. var. |
bristled knotweed |
PIB |
|
| POAL7 |
Populus alba L. |
white poplar |
PIB |
L48 (I), CAN (I) |
| POCR3 |
Potamogeton crispus L. |
crispy-leaved pondweed |
IB |
L48 (I), CAN (I) |
| RAFI |
Ranunculus ficaria L. |
fig buttercup |
IB |
L48 (I), CAN (I) |
| RHCA3 |
Rhamnus cathartica L. |
common buckthorn |
IB |
L48 (I), CAN (I) |
| ROMU |
Rosa multiflora Thunb. |
multiflora rose |
IB |
L48 (I), CAN (I) |
| SODU |
Solanum dulcamara L. |
bittersweet nightshade |
PIB |
L48 (I), CAN (I) |
| TRNA |
Trapa natans L. |
water chestnut |
IB |
L48 (I), CAN (I) |
| VAOF |
Valeriana officinalis L. |
garden heliotrope |
PIB |
L48 (I), CAN (I) |
| AEPO |
Aegopodium podagraria L. |
goutweed |
IB |
L48 (I), CAN (I), SPM (I) |
| CAST |
Callitriche stagnalis Scop. |
pond water-starwort |
PIB |
L48 (I), CAN (I), SPM (I) |
| LYSA2 |
Lythrum salicaria L. |
purple loosestrife |
IB |
L48 (I), CAN (I), SPM (I) |
| SEJA |
Senecio jacobaea L. |
tansy ragwort |
PIB |
L48 (I), CAN (I), SPM (I) |
| TUFA |
Tussilago farfara L. |
coltsfoot |
IB |
L48 (I), CAN (I), SPM (I) |
| MAQU |
Marsilea quadrifolia L. |
European waterclover |
PIB |
L48 (I), CAN (N) |
| ONAC |
Onopordum acanthium L. |
Scotch thistle |
PIB |
L48 (I), CAN (W) |
| ARHI3 |
Arthraxon hispidus (Thunb.) Makino |
hairy jointgrass |
PIB |
L48 (I), HI (I) |
| PUMO |
Pueraria montana (Lour.) Merr. |
kudzu |
PIB |
L48 (I), HI (I) |
| SAMO5 |
Salvinia molesta Mitchell |
giant salvinia |
PIB |
L48 (I), HI (I) |
| AIAL |
Ailanthus altissima (Mill.) Swingle |
tree of heaven |
IB |
L48 (I), HI (I), CAN (I) |
| CESTM |
Centaurea stoebe L. ssp. micranthos (Gugler) Hayek |
|
|
L48 (I), HI (I), CAN (I) |
| CEBI2 |
Centaurea biebersteinii DC. |
spotted knapweed |
IB |
|
| ELUM |
Elaeagnus umbellata Thunb. |
autumn olive |
IB |
L48 (I), HI (I), CAN (I) |
| MYAQ2 |
Myriophyllum aquaticum (Vell.) Verdc. |
parrotfeather |
PIB |
L48 (I), HI (I), CAN (I) |
| LOJA |
Lonicera japonica Thunb. |
Japanese honeysuckle |
IB |
L48 (I), HI (I), PR (I), CAN (I) |
| EGDE |
Egeria densa Planch. |
Brazilian water-weed |
PIB |
L48 (I), HI (I), PR (I), CAN (W) |
| DAST |
Datura stramonium L. |
jimsonweed |
PIB |
L48 (I), HI (I), PR (I), VI (I), CAN (I) |
| EICR |
Eichhornia crassipes (Mart.) Solms |
common water-hyacinth |
PINB |
L48 (I), HI (I), PR (I), VI (I), CAN (W) |
| MIVI |
Microstegium vimineum (Trin.) A. Camus |
Japanese stilt grass |
IB |
L48 (I), PR (I) |
| LIOV |
Ligustrum ovalifolium Hassk. |
California privet |
PINB |
L48 (I), PR (I), CAN (I) |
| PHAR3 |
Phalaris arundinacea L. |
reed canary grass |
INB |
L48 (N), AK (I), CAN (N), SPM (I) |
| FRGR3 |
Froelichia gracilis (Hook.) Moq. |
slender snake cotton |
PIB |
L48 (N), CAN (I) |
| ROPS |
Robinia pseudoacacia L. |
black locust |
INB |
L48 (N), CAN (I) |
| AMFR |
Amorpha fruticosa L. |
false indigo |
PIB |
L48 (N), CAN (N) |
| CACA |
Cabomba caroliniana A. Gray |
fanwort |
IB |
L48 (N), CAN (N) |
| MYHE2 |
Myriophyllum heterophyllum Michx. |
variable-leaf watermilfoil |
IB |
L48 (N), CAN (N) |
| NELU |
Nelumbo lutea Willd. |
American water lotus |
PIB |
L48 (N), CAN (N) |
| SIPE2 |
Silphium perfoliatum L. |
cup plant |
PIB |
L48 (N), CAN (N) |
| PHAU7 |
Phragmites australis (Cav.) Trin. ex Steud. |
common reed |
IB |
L48 (N), HI (I), PR (N), CAN (N) |
| PIST2 |
Pistia stratiotes L. |
water lettuce |
PIB |
L48 (N), HI (I), PR (N), VI (N) |
| †Code | Noxious Status |
|---|
| IB |
Invasive, banned |
| INB |
Invasive, not banned |
| PIB |
Potentially invasive, banned |
| PINB |
Potentially invasive, not banned |
| *Code | Native Status |
|---|
| I |
Introduced |
| N |
Native |
| W |
Waif |
| *Code | Native Status Jursdiction |
|---|
| L48 |
Lower 48 States |
| AK |
Alaska |
| HI |
Hawaii |
| PR |
Puerto Rico |
| VI |
Virgin Islands |
| CAN |
Canada |
| GL |
Greenland |
| SPM |
St. Pierre and Miquelon |
Additional information about noxious plants in this state can be found at:
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