Invasive Plants

White and yellow flowers

Multiflora Rose (Rosa multiflora)

Native to eastern Asia, it was introduced into the US in the late 1800s for cultivation as an ornamental garden…

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European Buckthorn (Rhamnus cathartica)

European buckthorn was brought to the US from Europe before the 1800s, as it was used for hedges, shelterbelt plantings, and…

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Green, needle-like leaves

Carolina Fanwort (Cabomba caroliniana)

This submerged, rooted plant is native to the southeastern United States, but can now be found in many northeastern and…

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Green leaves with tiny white flowers

Goutweed (Aegopodium podagraria)

Also known as bishop’s-weed and snow-on-the-mountain, goutweed is native to Europe and northern Asia. Goutweed has a tall thin stem…

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Maroon grasshead

Phragmites “Common Reed” (Phragmites australis)

Although it is widely agreed that the species is invasive, there is some debate as to whether phragmites is native…

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Pink and purple spiky flowers with green leaves

Purple Loosestrife (Lythrum salicaria)

Purple loosestrife was brought to the US from Europe in the early 1900s and has been spreading across the country…

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Morrow’s Honeysuckle (Lonicera morrowii)

Originally seen in various regions of Asia, it was brought to America for ornamental purposes, but quickly gained support from…

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Grey Willow (Salix cinerea)

Grey willows are a small deciduous tree (sometimes considered a shrub) with long slender branches covered in many elongated leaves…

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Japanese Knotweed (Fallopia japonica)

Native to Japan, this plant came to North America in the 19th century through use as an ornamental plant. Japanese…

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Winged Euonymus (Euonymus alatus)

Also called Burning Bush, Winged Euonymus is native to areas across Asia and brought to North America as an ornamental…

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