Parke, J. L.; Oh, E.; Voelker, S.; Hansen, E. M.; Buckles, G.; Lachenbruch, B. (The American Phytopathological Society, 2007)
Isolation, detection with diagnostic polymerase chain reaction (PCR), and microscopy demonstrated the presence of Phytophthora ramorum in the sapwood of mature, naturally infected tanoak (Lithocarpus densiflorus) trees. ...