University of Wisconsin. Sea Grant Institute.
California Invasive Plant Council.
University of Wisconsin - Madison.
New York State Department of Agriculture and Markets.
University of California Cooperative Extension. Napa County.
California Department of Food and Agriculture. Plant Health Division.
University of California - Berkeley.
New York City Department of Health.
University of California - Riverside. Entomology.
University of California - Riverside. Center for Invasive Species Research.
Invasive Plants Association of Wisconsin.
Wisconsin Department of Natural Resources.
California Department of Food and Agriculture.
New York Invasive Species Clearinghouse.
Cornell University. Forest Health and Invasive Non-native Forest Pests.
University of California. Division of Agricultural and Natural Resources. Cooperative Extension.
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.