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U.S. Department of Agriculture
National Invasive Species Information Center
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Invasive Species Resources

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A Brief Guide to Kentucky's Non-Native, Invasive Species, Common Weeds, and Other Unwanted Plants (PDF | 4.7 MB)
Louisville Water Company.
A Homeowner's Guide to Cheatgrass (PDF | 126 KB)
University of Nevada - Reno. Cooperative Extension.
See also: Agriculture Publications for more fact sheets
Anthracnose Diseases of Dogwood (PDF | 313 KB)
University of Arkansas. Cooperative Extension Service.
See also: Common Disease Problems for more fact sheets.
Aquatic Invasive Species - European Green Crab
Washington Department of Fish and Wildlife.
Aquatic Invasive Species - New Zealand mudsnail
Washington Department of Fish and Wildlife.
Aquatic Plants and Algae: Curly-Leaf Pondweed
Pennsylvania State University. Cooperative Extension.
Aquatic Plants and Algae: Eurasian Water Milfoil
Pennsylvania State University. Cooperative Extension.
Asian Longhorned Tick, Haemaphysalis longicornis
Pennsylvania State University. Cooperative Extension.
Asian Soybean Rust (PDF | 405 KB)
University of Arkansas. Cooperative Extension Service.
See also: Field Crop Diseases in Arkansas for more factsheets
Avian Influenza
Pennsylvania State University. Cooperative Extension.
Avian Pox in Small Flocks (PDF | 139 KB)
University of Arkansas. Cooperative Extension Service.
See also: Hobby and Small Flock Poultry in Arkansas for more factsheets
Biology, Identification and Management of Spotted Wing Drosophila (PDF | 363 KB)
University of Arkansas. Cooperative Extension Service.
See also: Fruits, Nuts, & Vegetables - Insect Management in Arkansas for more factsheets
Boxwood Blight: A New Ornamental Disease Threat (PDF | 446 KB)
University of Arkansas. Cooperative Extension Service.
See also: Extension Publications for more resources
Boxwood Blight: A Regulated Plant Disease in PA
Pennsylvania Department of Agriculture.
Boxwood Blight: Emerging Threat to Pennsylvania's Landscape
Pennsylvania State University. Cooperative Extension.
Brown Marmorated Stink Bug - Entomological Notes
Pennsylvania State University. College of Agricultural Sciences. Entomology.
Cheatgrass Management Handbook: Managing an Invasive Annual Grass in the Rocky Mountain Region (Aug 2013)
University of Wyoming; Colorado State University.
Chinese Mitten Crab Facts
Washington Sea Grant.
Class A Noxious Weed: Garlic Mustard
Washington State Noxious Weed Control Board.
Class A Noxious Weed: Giant Hogweed
Washington State Noxious Weed Control Board.