Projects & Resources

• National Pollutant Discharge Elimination System (NPDES) Permits
• County Agriculture Departments
• Encycloweedia
• Noxious Times
• Noxious Weed Information Project
• Purple Loosestrife Archive
• Yellow Starthistle Leading Edge Project

Encycloweedia: Program Details

Notes on Identification, Biology, and Management of Plants Defined as Noxious Weeds by California Law

The California Department of Food and Agriculture created and supports this site as a resource for public use. The University of California, Davis brought together and organized the information in the sheets.

Noxious Weed Gallery & Data Sheets

• Noxious Weed Photographic Gallery
• Noxious Weed Pest Rating 2010
• Noxious Weed Data Sheets (Identification, Biology and Control)
• Federal Weed List
• California Noxious Weed Disseminules Identification Manual (PDF)

Noxious Weed Information

• Acknowledgements
• California's Weed Laws
• Noxious Weed List – Section 4500 Food and Agriculture Code (PDF)
• Disclaimer
• List Update
• Prevention Program
• Submitting Botanical Specimens
• Noxious Weed Ratings

Related Links

• Botany Lab
• CINWCC
• Weed Education
• More Related Links

Contact Information

Project Coordinator: Dr. Dean Kelch
E-mail: dean.kelch@cdfa.ca.gov
Phone: (916) 654-0768