University of Wisconsin. Sea Grant Institute.
Connecticut Agricultural Experiment Station. Plant Disease Information Office.
University of Connecticut. Department of Plant Science and Landscape Architecture.
University of Wisconsin - Madison.
University of Connecticut. Connecticut Invasive Plant Working Group.
New York City Department of Health.
Invasive Plants Association of Wisconsin.
Wisconsin Department of Natural Resources.
New York Invasive Species Clearinghouse.
Cornell University. Forest Health and Invasive Non-native Forest Pests.
University of New Hampshire. Cooperative Extension; New Hampshire Department of Agriculture, Markets & Food.
New York State Department of Environmental Conservation.
New York Department of Environmental Conservation.
Cornell University. New York State Integrated Pest Management Program.
West Virginia University Extension Service.
Utah Department of Agriculture and Food.
Wisconsin Department of Agriculture, Trade, and Consumer Protection.
New York State Department of Agriculture and Markets.
University of New Hampshire. Cooperative Extension.
Southeastern Wisconsin Invasive Species Consortium.