Connecticut Agricultural Experiment Station. Plant Disease Information Office.
University of Connecticut. Department of Plant Science and Landscape Architecture.
Virginia Department of Forestry.
University of Connecticut. Connecticut Invasive Plant Working Group.
Maine Department of Conservation. Maine Forest Service. Forest Health and Monitoring Division.
University of Maine. Cooperative Extension.
Mississippi State University. Extension Service.
Mississippi State University. Geosystems Research Institute.
North Dakota Department of Trust Lands.
North Dakota Department of Agriculture.
Virginia Department of Conservation and Recreation.
Mississippi State University. Center for Resolving Human-Wildlife Conflicts.