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Invasive Species Resources

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Wisconsin Department of Agriculture, Trade, and Consumer Protection.
Pennsylvania State University. Cooperative Extension.
Delaware Department of Agriculture.
Pennsylvania Department of Agriculture.
Boone County Arboretum (Kentucky).
University of Kentucky. Cooperative Extension Service.
See also: Plant Pathology Extension Publications for more resources
Wisconsin Department of Agriculture, Trade, and Consumer Protection.
Idaho State Department of Agriculture.

University of Delaware Cooperative Extension.

Plants for a Livable Delaware is a campaign to identify and promote superior plants that thrive without becoming invasive. Visit the University of Delaware's Extension Program for more information on sustainable landscaping.
Pennsylvania State University. Cooperative Extension.
Pennsylvania Department of Agriculture. Plant Industry.
Delaware Department of Natural Resources and Environmental Control. Natural Heritage and Endangered Species Program.
Delaware Department of Agriculture.

Wisconsin Department of Natural Resources.

Kentucky Department of Fish and Wildlife Resources.
River Alliance of Wisconsin.
Kentucky Department of Agriculture. Pest and Weed.

Wisconsin Department of Natural Resources.