Connecticut Agricultural Experiment Station. Plant Disease Information Office.
University of Connecticut. Department of Plant Science and Landscape Architecture.
Louisiana State University Agricultural Center. Research and Extension.
University of Connecticut. Connecticut Invasive Plant Working Group.
New York City Department of Health.
University of Tennessee Extension.
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.
New York State Department of Agriculture and Markets.
Tennessee Department of Agriculture.
University of New Hampshire. Cooperative Extension.
Tennessee Wildlife Resources Agency.
Tennessee Invasive Plant Council.
Vermont Agency of Natural Resources. Department of Environmental Conservation.