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Invasive Species Resources

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Lincoln County Noxious Weed Control Board (Washington).
See also: Weed I.D. and Options for Control for more species
University of Kentucky. College of Agriculture.
King County Public Health (Washington).
Seattle Public Utilities (Washington). Green Gardening Program.
See also: IPM fact sheets for more diseases and pests.
University of Kentucky. Cooperative Extension Service.
See also: Woody Ornamentals for more fact sheets.
Washington State Recreation and Conservation Office. Washington Invasive Species Council.
University of Kentucky. College of Agriculture, Food, and Environment. Entomology.
University of Idaho. Extension.
DOI. NPS. Yellowstone National Park.
Kentucky Department of Fish and Wildlife Resources.
Kentucky Department for Natural Resources. Division of Forestry.
Idaho Department of Lands.
See also: Forester Forums for more fact sheets
Washington Sea Grant.
University of Idaho.
Lincoln County Noxious Weed Control Board (Washington).
See also: Weed I.D. and Options for Control for more species

Idaho State Department of Agriculture. Invasive Species/Noxious Weeds Program.

Idaho Weed Awareness Campaign.
University of Idaho Extension.
This pocket guide has color photographs of all the weeds on Idaho's official noxious weeds list. Inside find maps showing each weed's distribution by county, leaf shape illustrations to aid in identification, and features to help distinguish the weeds from similar-looking plants.
University of Idaho. Extension.

Washington State University Extension.