| sudden oak death | |
| Phytophthora ramorum S. Werres, A.W.A.M. de Cock | |
Identification, Biology, Control and Management Resources
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| Selected Images from Invasive.org | View All Images at Invasive.org |
![]() Sign; P. ramorum zone lines on coast live oak. Joseph O'Brien, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
![]() Symptoms; This leaf was confirmed as positive for P. ramorum by Jenny Davidson. Joseph O'Brien, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
![]() Symptoms; Joseph O'Brien, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
![]() Symptoms; Tip dieback symptoms caused by P. ramorum on tanoak. Joseph O'Brien, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
![]() Sign; Signs of bleeding caused by P. ramorum infection on lichen-covered bark of coast live oak. Joseph O'Brien, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
![]() Symptoms; Joseph O'Brien, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |







