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Invasive Species Resources

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Oregon Department of Agriculture.

Arizona Game and Fish Department.
New state regulations to help prevent the spread of quagga mussels and zebra mussels went into effect in Mar 2010. These regulatory measures, known as "Director's Orders," were authorized by the Aquatic Invasive Species Interdiction Act passed by the Arizona Legislature in 2009. The orders contain a list of aquatic invasive species for Arizona, a list of waters where aquatic invasive species are present, and mandatory conditions for the movement of watercraft.
University of Wisconsin. Sea Grant Institute.
Montana State University.
The Center for Invasive Species Management closed in 2015. Archives of relevant materials are available here.
Portland State University.

University of Wisconsin - Madison.

New York City Department of Health.

Maine Department of Conservation. Maine Forest Service. Forest Health and Monitoring Division.

University of Maine. Cooperative Extension.
Invasive Plants Association of Wisconsin.

Wisconsin Department of Natural Resources.

Oregon Department of Fish and Wildlife.

Oregon Department of Fish and Wildlife.

New York Invasive Species Clearinghouse.

Cornell University. Forest Health and Invasive Non-native Forest Pests.
New York State Department of Environmental Conservation.
New York Department of Environmental Conservation.
Oregon Invasive Species Council.

Cornell University. New York State Integrated Pest Management Program.