Invasive Plants (Aquatic & Terrestrial)

Common buckthorn flower

Common buckthorn (Rhamnus cathartica)

Common buckthorn is a small deciduous tree or large shrub.

DSV flowers

Dog-strangling Vine (Cyanchum nigrum and C. rossicum)

Dog-strangling vine is the common name for two very similar perennial herbaceous vines that are…

Garlic Mustard

Garlic Mustard (Alliaria petiolata)

Invasive Plants Imported as an edible green by European settlers, this biennial shade-tolerant…

Giant hogweed

Giant hogweed (Heracleum mantegazzianum)

Giant hogweed was first introduced to North America as a horticultural plant in the early 1900s.

Goutweed

Goutweed (Aegopodium podagraria)

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

Japanese knotweed patch

Japanese knotweed (Polygonum cuspidatum)

Native to Japan, China and parts of Korea and Taiwan, Japanese knotweed was introduced to North…

Norway maple leaf

Norway maple (Acer platanoides)

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

Oriental bittersweet

Oriental bittersweet (Celastrus orbiculatus)

Oriental bittersweet is a deciduous, woody vine native to the regions of China, Korea, and Japan.

Yellow floating heart flower. © Greg Bales

Yellow floating heart (Nymphoides peltata)

Yellow floating heart is an aquatic, bottom rooted perennial plant that is native to Eurasia and…

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