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Invasive Species Resources

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Montana Fish, Wildlife, and Parks.
Montana Department of Livestock. Animal Health Division.
Kansas Department of Wildlife, Parks, and Tourism.

Kansas Department of Wildlife, Parks, and Tourism.

Kansas Department of Wildlife, Parks, and Tourism.

Montana State University.
The Center for Invasive Species Management closed in 2015. Archives of relevant materials are available here.
South Dakota State University. Agricultural Experiment Station; Cooperative Extension Service.
Montana State University Extension.
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. 
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.
Kansas State University. Agricultural Experiment Station and Cooperative Extension Service.
See also: Weed Management Publications for more resources
Montana Fish, Wildlife, and Parks.
South Dakota Department of Agriculture.
Kansas State University. Kansas Forest Service.
Kansas State University. Kansas Forest Service.

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

Kansas State University.
South Dakota Department of Agriculture.
The South Dakota Department of Agriculture (SDDA) has confirmed that an infestation of emerald ash borer (EAB) has been discovered in northern Sioux Falls. This is the first confirmed infestation in South Dakota. Emerald ash borer is an invasive insect that has killed tens of millions of ash trees in at least 32 states. On May 9, 2018, Secretary Mike Jaspers implemented an Emergency Plant Pest Quarantine in order to prevent or reduce the spread of the EAB. This emergency quarantine is effective immediately. For more information, see the Emerald Ash Borer in South Dakota website.
South Dakota Department of Agriculture.