Invasive Plants

Sycamore Maple (Acer pseudoplatanus)

Initially from Europe and Eastern Asia, this type of maple was brought over to be ornamental and is commonly seen…

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Japanese Wisteria (Wisteria floribunda)

As suggested by the name, this plant originated in Japan and was introduced to North America in the 19th century.…

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White Poplar (Populus alba)

Native to central to southwestern Europe, even spreading to Morocco, White Poplar was brought to North America in the 18th…

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English Ivy (Hedera helix)

English ivy was introduced to the US by European settlers as early as 1727, and it was widely planted to…

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Tree of Heaven (Ailanthus altissima)

Also known as shumac or Chinese sumac, the tree of heaven is native to China and Taiwan and was introduced…

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Autumn Olive (Elaeagnus umbellata)

Originally from East Asia, Autumn Olive was introduced into the US in 1830 to provide wildlife habitat and windbreaks and…

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Black Swallow-wort (Cynanchum louiseae)

Originating in southwestern Europe, this plant made its way to America due to preference as an ornamental plant. It was…

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Garlic Mustard (Alliaria petiolata)

An herb originating in Europe, garlic mustard found its way to the United States in the late 1860’s, likely for…

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Norway Maple (Acer platanoides)

Originating in Europe and Western Asia, Norway Maple found its way to America due to ornamental value as a landscape…

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Black Locust (Robinia pseudoacacia)

Native to the southeastern United States, the black locust found its way to New England because of its wood that…

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