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Reference Library Noxious Weeds
Local Resources

For more information on weed identification, monitoring, reporting, and management contact your local weed management area and/or your local county agricultural commissioner:

  • Lassen County - Lassen County Special Weed Action Team (SWAT), Carolyn Gibbs (530)252-5325 or County Agricultural Commissioner, Ken Smith (530)251-8110
  • Modoc County - Modoc Weed Management Area, Irene Davidson (530)233-8836 or County Agricultural Commissioner, Joe Moreo (530)233-6401
  • Siskiyou County - Siskiyou Weed Management Area, Pat Griffin (530)841-4025
  • Shasta County - Shasta Weed Management Area and County Agricultural Commissioner, Mary Pfeiffer (530)224-4949
Thistle bush near confluence of the South and North Forks of the Pit River.

Books and Papers

Bossard, C.C., J.M. Randall, and M.C. Hoshovsky. 2000. Invasive Plants of California’s Wildlands. University of California Press, Berkeley and Los Angeles, California.

Tu, Mandy, Callie Hurd, & John M. Randall.  Versiondate: 4 April 2001. Weed Control Methods Handbook: Tools and Techniques for Use in Natural Areas. The Nature Conservancy.

Whitson, T.D.  2000. Weeds of the West. 9th edition. Grand Teton Lithography, Jackson, Wyoming.

Mullen, B., L.W.J. Anderson, J.M. DiTomaso, R.E.Eplee, and K.D. Getsinger. 2000. Invasive Plant Species. CAST (Council for Agricultural Science and Technology) pub: Issue paper No. 13, February.