DOI. Fish and Wildlife Service.

See also: Ecological Risk Screening Summaries for more species summaries

Alberta Invasive Species Council (Canada).

See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

IUCN. Species Survival Commission. Invasive Species Specialist Group.

Google.

Columbia University. Center for Environmental Research and Conservation.

CAB International.

University of Wisconsin Sea Grant.

University of Georgia. Center for Invasive Species and Ecosystem Health.

DOI. USGS. Wetland and Aquatic Research Center.

Provides distribution maps and collection information (State and County).

DOI. USGS. Wetland and Aquatic Research Center.

Provides detailed collection information as well as animated map.

Michigan State University. Midwest Invasive Species Information Network.

Google. YouTube; Vermont Fish & Wildlife Department.