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Invasive Species Resources

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Washington Native Plant Society.
Pacific Biodiversity Institute (Washington).
Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
Operators of watercraft not registered in Washington State, seaplanes, and commercial transporters of specified vessel types must purchase aquatic invasive species (AIS) prevention permits to help prevent the spread of AIS in Washington. AIS prevention permits are valid for one year and can be purchased online (under the "Other" Product Categories tab) or from any of the department's authorized license dealers. When purchasing online, you may select a preferred activation date. The permit will be valid for one year from that date.
Kansas Department of Wildlife, Parks, and Tourism.

Kansas Department of Wildlife, Parks, and Tourism.

Kansas Department of Wildlife, Parks, and Tourism.

University of Vermont. Entomological Research Laboratory.
South Dakota State University. Agricultural Experiment Station; Cooperative Extension Service.
Lake Champlain Land Trust.
USDA. Forest Service.
There are 21 major species of noxious weeds (invasive) on the Black Hills National Forest in western South Dakota and northeastern Wyoming. 
University of Vermont. Forest Pathology.
Washington State Noxious Weed Control Board.
The Washington State noxious weed list is updated every year, and all Washington residents can submit proposals to add or remove species, change the class of a listed noxious weed, or to change the designated area in which control is required for a Class B noxious weed. Anyone, including citizens, tribes, organizations, government agencies, and county noxious weed control boards may participate in the listing process by submitting a proposal or by submitting testimony about proposed changes to the noxious weed list. In fact, Washington's open, inclusive listing process is lauded by other states for its encouragement of public participation. Learn more about the listing process here.
Kansas State University. Agricultural Experiment Station and Cooperative Extension Service.
See also: Weed Management Publications for more resources
DOI. NPS. Great Smoky Mountains National Park.
Washington Sea Grant.
Washington State Noxious Weed Control Board.