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Invasive Species Resources

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Washington Native Plant Society.
Montana Fish, Wildlife, and Parks.
Pacific Biodiversity Institute (Washington).
Wisconsin Department of Agriculture, Trade, and Consumer Protection.
Montana Department of Livestock. Animal Health Division.
University of Wisconsin. Sea Grant Institute.

Polk County Department of Land and Water Resources (Wisconsin).

Wisconsin Department of Natural Resources.
Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
University of Wisconsin. Extension Lakes Program. Citizen Lake Monitoring Network.
University of Wisconsin. Extension Lakes Program. Citizen Lake Monitoring Network.
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.
South Carolina Department of Natural Resources.
Montana State University.
The Center for Invasive Species Management closed in 2015. Archives of relevant materials are available here.

Wisconsin Department of Natural Resources.

South Carolina Department of Natural Resources.