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Invasive Species

Invasive species are plants, animals, and diseases that are not native to the area in question and have or are likely to cause environmental, human health, or financial harm in Indiana. Many invasive species have entered Indiana or are a threat to arrive in our state. You can fight back by learning the signs, reporting sightings, and taking precautions.

Spot the threat

Aquatic (Water) Invasives

hydrilla aquatic invertebrates aquatic fish whirling disease, photo courtesy of Colorado Division of Wildlife

Terrestrial (Land) Invasives

purple loosestrife terrestrial invertebrates terrestrial vertebrates Thousand Cankers Disease of Black Walnut, photo courtesy of Ned Tisserate, Colorado State University

Report a sighting

DNR is seeking sighting information for invasive species in Indiana. If you believe you have spotted an invasive species, report it and, if possible, get pictures to assist in expert identification.

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Regulatory Agencies

Purdue University Programs/Services