Nine new invasive species regulated in Illinois with expansion of Exotic Weeds Act

Nine New Invasive Species Regulated in Illinois

The Illinois Department of Natural Resources has added nine invasive plants to the list of species that are illegal to buy, sell, distribute, or plant in Illinois.

These species include tree of heaven, garlic mustard, and Callery pear. Invasive species are non-native plants, animals, and insects that spread quickly and are difficult to remove, causing long-lasting economic and environmental impacts.

Invasive plants are a serious threat to the long-term health of our natural ecosystems

said Chris Evans, University of Illinois Extension forestry and research specialist. Author's summary: Illinois regulates 9 new invasive species.

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University of Illinois Extension University of Illinois Extension — 2025-10-24

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