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Invasive Species Resources

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University of California - Riverside. Center for Invasive Species Research.

San Bernardino County (California). Department of Public Health.

See also: Mosquito & Vector Control for more resources 

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
Cornell Laboratory of Ornithology.
Note: Nesting Behavior
Wisconsin Department of Agriculture, Trade, and Consumer Protection.
Cornell University. Cooperative Extension of Suffolk County. Horticulture Diagnostic Laboratory.
See also: Tree and Shrub Disease for more fact sheets.
Washington Department of Fish and Wildlife.
Washington Department of Fish and Wildlife.
University of Wisconsin. Extension Lakes Program. Citizen Lake Monitoring Network.

Wisconsin Department of Natural Resources.

University of California - Riverside. Center for Invasive Species Research.

University of California. Agricultural and Natural Resources. Kearney Agricultural Center. Citrus Entomology.
California Department of Food and Agriculture. Plant Health Division.

University of California - Riverside. Center for Invasive Species Research.

University of California - Riverside. Center for Invasive Species Research.

University of California - Riverside. Center for Invasive Species Research.