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Noxious Weeds



Unfortunately California’s abundant natural resources are being invaded upon by non-native invasive weeds. These noxious weeds are injurious to public health, agriculture, recreation, wildlife and property. Forester’s Co-Op specializes in the identification, treatment, and tracking using our GPS/GIS software to monitor treatment successes and new outbreaks.

Past Noxious Weed Projects: (These documents are in Adobe PDF format) Click the images below for larger pictures of some common noxious weeds in California.

Yellow Star Thistle Spotted Knapweed Diffuse Knapweed Russian Knapweed Tall Whitetop
Bull Thistle Canada Thistle St. Johns Wort Dalmation Toadflax Yellow Toadflax