Sudden Oak Death
Phytophthora ramorum
Symptoms, this leaf was confirmed as positive for
P. ramorum by Jenny Davidson. - Joseph O'Brien
USDA, Forest Service
Invasive.org.
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Sudden Oak Death Phytophthora ramorum Symptoms, this leaf was confirmed as positive for P. ramorum by Jenny Davidson. - Joseph O'Brien USDA, Forest Service Invasive.org.
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