Phytophthora ramorum: Educate to Detect (PRED) Phytophthora ramorum: Educate to Detect (PRED) USDA-Forest Service USDA-Cooperative State Research Education.
Phytophthora ramorum: Educate to Detect (PRED) Phytophthora ramorum: Educate to Detect (PRED) University of Illinois Extension in cooperation with USDA-Forest.
