University of Georgia. Center for Invasive Species and Ecosystem Health.
Adirondack Park Invasive Plant Program.
Fairfax County Park Authority (Virginia).
Virginia Department of Conservation and Recreation. Natural Heritage Program.
Lake Stewards of Maine.
Special Note: Formerly known as the Maine Volunteer Lake Monitoring Program.
Jackson Hole Weed Management Association (Wyoming).
Cornell University. Forest Health and Invasive Non-native Forest Pests.
University of New Hampshire. Cooperative Extension.
Arlington Department of Parks, Recreation, and Cultural Resources (Virginia).
University of Wyoming; Wyoming Department of Agriculture; USDA
. Animal and Plant Health Inspection Service.
Virginia Tech; Virginia State University. Virginia Cooperative Extension.