Department of Agriculture Department of Agriculture, Weeds Department of Agriculture, Plant Quarantines Department of Agriculture, Washington Wilderness Hay and Mulch (WWHAM) Management Program Department of Ecology: Water Quality Program Department of Fish and Wildlife Department of Natural Resources Department of Transportation: Maintenance and Operations Division
Weeds Gone Wild: Alien Plant Invaders of Natural Areas Plants Database APHIS: Pest Detection and Management Program: Noxious Weeds The Federal Interagency Committee for the Management of Noxious and Exotic Weeds USDA Forest Service Invasive Species Program
WSU Extension Integrated Weed Control ProjectBiological Control: A Guide to Natural Enemies in North America The Center for Invasive Plant Management Western Integrated Plant Management Center
Washington Invasive Species Council WISC's Washington Invasive Species Education website EDDMaps, Invasive Species Mapping Invasive.org, Center for Invasive Species and Ecosystem Health National Association of Exotic Pest Plant Councils Weed Science Society of America
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