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

Ontario Ministry of Natural Resources (Canada).

See also: Invasive Species Fact Sheets for more resources

Ontario's Invading Species Awareness Program (Canada).

Northeast Aquatic Nuisance Species Panel.