All confirmed isolations of Phytophthora ramorum (as of publication date), from the California Department of Food and Agriculture, University of California at Davis, and University of California at Berkeley. Reprojected from Albers GCS_North_American_1927 and renamed by County of Marin.
Creator:
Sudden Oak Death Project, Center for the Assessment and Monitoring of Forestry and Environmental Resources (CAMFER) at U.C. Berkeley