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National Invasive Species Information Center | United States Department of Agriculture

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U.S. Department of Agriculture National Invasive Species Information Center

National Invasive Species Information Center (NISIC)

The gateway to invasive species information; covering federal, state, local and international sources.
Invasive species are plants, animals, or pathogens that are non-native (or alien) to the ecosystem under consideration, and whose introduction causes or is likely to cause harm.

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Slideshow of Featured Species

  • Chinese Privet

    Forms dense thickets that displace native species (Cuda et al.)

  • Khapra Beetle

    Destructive pest of cereal grains and oilseeds (CABI)

  • Japanese Stiltgrass

    Can grow in a variety of habitats where it forms dense stands and crowds out native species (Fryer 2011)

  • Quackgrass

    Crowds out native species and cultivated crops (Klein 2011)

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Identify species that may be invasive

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