For more information, check these links to current science and management practices.
- California Oak Mortality Task Force
- Cooperative Extension Humboldt County - University of California
- Forest Pathology Lab - University of California, Berkeley
- 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.