Bark discoloration and zone lines in coast live oak (Quercus agrifolia)
Photo Gallery
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P. ramorum canker  |
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 Dieback and shoot blight on Grand fir  Dieback and shoot blight symptoms caused by P. ramorum on Abies grandis |
P. ramorum on larch in the United Kingdom  Larch trees with P. ramorum in the UK |