Bleeding canker on European beech (Fagus sylvatica)
Photo Gallery
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P. cactorum bleeding canker  |
P. megasperma colony morphology on PDA  Colony morphology on PDA at 7 days |
P. siskiyouensis disease symptoms on Italian alder  Grove of dying trees in a commercial landscape in Foster City, CA |
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P. alni in riparian alder, Scotland  P. alni in riparian alder, Scotland |
P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. austrocedrae - necrotic lesion in phloem  |
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Growth of P. megakarya on corn meal agar
 Growth of P. megakarya on corn meal agar |
P. pseudotsugae paragynous oogonium  P. pseudotsugae oogonium with paragynous antheridia, note the disrupted contents of the abortive oogonia |
P. austrocedrae hyphal swellings  Hyphal swelling photo used with permission from Q-bank |
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P. lateralis on Port Orford Cedar  Horticultural planting of Port-Orford cedar, photo from USDA Forest Service, Dorena Genetic Resource Center |
P. alni in alder, Illwald, France  P. alni in alder, Illwald, France |
P. ramorum sporangium  P. ramorum sporangium |