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Invasive Species Resources

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Ohio Department of Natural Resources.
Ohio State University. College of Food, Agricultural, and Environmental Sciences.

Ohio Department of Natural Resources. Division of Forestry.

Ohio Department of Natural Resources. Division of Forestry.

West Virginia Department of Natural Resources.
University of Kentucky. Cooperative Extension Service.
See also: Woody Ornamentals for more fact sheets.
University of Kentucky. College of Agriculture, Food, and Environment. Entomology.
Ohio Department of Natural Resources.
Ohio State University. Extension.
DOI. NPS. Yellowstone National Park.
Kentucky Department of Fish and Wildlife Resources.
Idaho Department of Lands.
See also: Forester Forums for more fact sheets

Ohio Department of Agriculture. Plant Health.

University of Idaho.
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.
Ohio State University. Extension.