P. ramorum chlamydospores
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P. ramorum chlamydospores  |
P. ramorum sporangium  P. ramorum sporangium |
P. ramorum on larch in the United Kingdom  Larch trees with P. ramorum in the UK |
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P. ramorum colony morphology on CMA PARP  P. ramorum colony morphology on CMA PARP |
P. ramorum canker  Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |
P. ramorum Dieback and shoot blight on Grand fir  Dieback and shoot blight symptoms caused by P. ramorum on Abies grandis |
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P. ramorum zoospores  Sporangium of P. ramorum releasing zoospores |
P. ramorum bleeding canker  Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
P. ramorum leaf symptoms on tan oak  Tip symptoms on tanoak seedling (Notholithocarpus densiflorus). |
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P. ramorum sporangia and chlamydospores  Sporangia and chlamydospores of P. ramorum |
P. ramorum sporangia  P. ramorum sporangia |
P. ramorum sporangium  Deciduous sporangium, photo from Q-bank, used with permission |