An official website of the United States government

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted  — in other words, any information or browsing history that you provide is transmitted securely.

You are here Back to top

Invasive Species Resources

Displaying 121 to 140 of 353

Search Help
Cornell University. Cooperative Extension of Suffolk County. Horticulture Diagnostic Laboratory.
See also: Tree and Shrub Insect Pests for more fact sheets.
Cornell University Cooperative Extension. Oneida County.
See also: Home and Garden - Weeds for more fact sheets

Alaska Department of Fish and Game.

Your vigilance could help us intercept and prevent the spread of an unwanted biological invader – an invasive species that shouldn’t be here and which could cause serious harm to Alaska’s native fish and wildlife species, and their habitats.

New York Department of Environmental Conservation.
University of Alaska - Fairbanks. Cooperative Extension Service.
University of New Hampshire. Cooperative Extension.
Bishop Museum. Hawaii Biological Survey; University of Hawaii.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.
Columbia University. Center for Environmental Research and Conservation.