University of Wisconsin. Sea Grant Institute.
University of Wisconsin - Madison.
Michigan Department of Agriculture and Rural Development.
Michigan Department of Natural Resources.
Louisiana State University Agricultural Center. Research and Extension.
New York City Department of Health.
Invasive Plants Association of Wisconsin.
Wisconsin Department of Natural Resources.
Michigan Emerging Disease Issues.
Michigan's Invasive Species Program.
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.