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Provides access to all site resources, with the option to search by species common and scientific names. Resources can be filtered by Subject, Resource Type, Location, or Source. Search Help
University of California. Agriculture and Natural Resources.
Washington State Noxious Weed Control Board.
University of Georgia. Center for Invasive Species and Ecosystem Health.
Provides state, county, point and GIS data. Maps can be downloaded and shared.
University of Florida. Institute of Food and Agricultural Sciences Extension.
Electronic Data Information Source Publication #ENH-1356
California Department of Food and Agriculture.
See also: Included on California's noxious weed list; see Encycloweedia: Program Details for additional resources
USDA. APHIS. PPQ. Center for Plant Health Science and Technology; California Department of Food and Agriculture.
Missouri Department of Conservation.
See also: Invasive and Problem Plant Control (scroll to Invasive Plants section) for more information to help you identify and control most common invasive plants in Missouri
USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.
IUCN. Species Survival Commission. Invasive Species Specialist Group.
Pennsylvania Department of Conservation and Natural Resources.
See also: Invasive Plant Fact Sheets for plant species (trees, shrubs, vines, herbs and aquatic plants) that have impacted the state's natural lands
North Carolina Department of Agriculture and Consumer Services. Forest Service.
See also: Forest Health Publications for more Invasive Species Leaflets
Mississippi State University. Extension.
Wisconsin Department of Natural Resources.
University of Delaware. Cooperative Extension.
See also: Weed Management Guides for more species
Colorado Department of Agriculture. Conservation Services Division. Noxious Weed Program.
Ohio State University. Ohio Agricultural Research and Development Center.