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Invasive Species Resources

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San Mateo County Department of Agriculture/Weights and Measures (California).
University of California - Riverside. Center for Invasive Species Research.
Orange County Vector Control District (California).
See also: Information Bulletins on other vectors/pests
Oklahoma State University. Entomology & Plant Pathology.
Plumas-Sierra Noxious Weeds Management Group (California).
See also: Agricultural Brochures for more species
Plumas-Sierra Noxious Weeds Management Group (California).
See also: Agricultural Brochures for more species
Plumas-Sierra Noxious Weeds Management Group (California).
See also: Agricultural Brochures for more species
Wisconsin Department of Agriculture, Trade, and Consumer Protection.
Oklahoma Department of Agriculture, Food, and Forestry.
University of Arkansas. Cooperative Extension Service.
See also: Common Disease Problems for more fact sheets.
USDA. FS. Lake Tahoe Basin Management Unit.
University of Wisconsin. Sea Grant Institute.

Polk County Department of Land and Water Resources (Wisconsin).

Wisconsin Department of Natural Resources.
University of Wisconsin. Extension Lakes Program. Citizen Lake Monitoring Network.
University of Wisconsin. Extension Lakes Program. Citizen Lake Monitoring Network.
Tahoe Resource Conservation District.