Invasive Plants (Aquatic & Terrestrial)

Common buckthorn (Rhamnus cathartica)

Origin Common Buckthorn (also known as European Buckthorn) is a deciduous shrub or small tree…

DSV flowers

Dog-strangling Vine and Black Swallowwort (Vincetoxicum rossicum and V. nigrum)

Origin Dog-strangling Vine (Vincetoxicum rossicum, also known as European swallowwort) and Black…

Garlic Mustard

Garlic Mustard (Alliaria petiolata)

Origin Imported as an edible green by European settlers, this biennial shade-tolerant species…

Giant hogweed (Heracleum mantegazzianum)

Origin Giant Hogweed was first introduced to North America as a horticultural plant in the early…


Goutweed (Aegopodium podagraria)

Origin Goutweed is an herbaceous perennial plant native to Europe and northern Asia.

Japanese knotweed patch

Japanese knotweed (Raynoutaria japonica)

Origin Native to Japan, China, Korea, and Taiwan, Japanese Knotweed was introduced to North…

Norway maple leaf

Norway maple (Acer platanoides)

Norway Maple is a small to medium sized deciduous tree in the Maple family.

Oriental bittersweet leaves

Oriental bittersweet (Celastrus orbiculatus)

Oriental Bittersweet is a deciduous, woody vine native to China, Korea, and Japan1.

Yellow floating heart. © Greg Bales

Yellow floating heart (Nymphoides peltata)

Origin Yellow Floatingheart is an aquatic, bottom rooted perennial plant that is native to…

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