For more information, check these links to current science and management practices.

• California Oak Mortality Task Force 
• Best Management Practices
• Tribal Resources
• Cooperative Extension Humboldt County - University of California 

• Forest Pathology Lab - University of California, Berkeley
• SOD Blitz

• Statewide Sudden Oak Death Quarantine - California Department of Food and Agriculture

• Tribal Working Group - Western Integrated Pest Management Center

Tanoak branch die back due to Phytophthora ramorum.