A volunteer pins a sudden oak death (SOD) sampling tag to a tree. April 4, 2022 By Dr. Brian Woodward, Conservation Ecologist Sudden Oak Death (SOD) is a tree disease caused by the exotic plant pathogen Phytophthora ramorum. Originally introduced with imported nursery plants, the pathogen has spread widely across coastal California and southwestern Oregon,
Read more …
Sudden Oak Death on the Santa Lucia Preserve
