Grey alder (A. incana) with collar rot caused by P. alni
Photo Gallery
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P. alni canker on gray alder  |
P. ramorum bleeding canker  Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
P. ramorum sporangia  P. ramorum sporangia |
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P. pseudotsugae amphigynous oogonium  P. pseudotsugae oogonium with amphigynous antheridia |
P. austrocedrae colony morphology on PDA  Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
P. kernoviae disease on European beech  Bleeding lesion on trunk of Fagus sylvatica |
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P. austrocedrae oogonia drawing  P. austrocedrae. Morphology of oogonia, oospores and antheridia. Bar: 10 mm. Greslebin et al. 2007 |
P. lateralis on Port Orford cedar  Bole lesion on Chaemacyparis lawsoniana in Lopérec, France |
P. palmivora chlamydospore  Terminal chlamydospore of P. palmivora |
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P. tentaculata sporangium  Papillate sporangium of P. tentaculata |
P. kernoviae oogonium  Oogonium with amphigynous antheridia, photo from Q-bank, used with permission |
Dead and healthy Port-Orford cedar trees  Chamaecyparis lawsoniana trees |