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Invasive Species Resources

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Maine Department of Environmental Protection.
In 2008, the purchase of a new sticker for owners of Maine-registered watercraft was automatically combined with the watercraft registration fee. The sticker, which now reads "Stop Aquatic Hitchhikers -- Preserve Maine Waters" and is physically attached to the Maine watercraft registration, has been required since 2002 for all motorized watercraft on inland waters. Owners of non-Maine registered boats will continue to be required to purchase and affix a separate nonresident sticker. 
Maine Department of Environmental Protection.
Montana Fish, Wildlife, and Parks.
Montana Department of Livestock. Animal Health Division.
Montana State University.
The Center for Invasive Species Management closed in 2015. Archives of relevant materials are available here.
Ohio Department of Natural Resources.

Maine Department of Marine Resources.

Ohio State University. College of Food, Agricultural, and Environmental Sciences.
Montana State University Extension.
DOI. NPS. Yellowstone National Park.
If you plan to use your own boat or angler float tube, you’ll need a permit and a free Yellowstone aquatic invasive species inspection. You can speed up the inspection process by arriving with a boat that is clean, drained, and dry. Watercraft that arrive dirty or with standing water will be subject to decontamination. Watercraft that cannot be properly decontaminated will be prohibited from launching.

Ohio Department of Natural Resources. Division of Forestry.

Ohio Department of Natural Resources. Division of Forestry.

Maine Department of Agriculture, Conservation, and Forestry. Maine Natural Areas Program.

Montana Fish, Wildlife, and Parks.

City and County of Butte-Silver Bow (Montana).

Maine Department of Agriculture, Conservation, and Forestry. Maine Forest Service.