Grey alder (A. incana) with collar rot caused by P. alni
Photo Gallery
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P. alni canker on gray alder  |
P. megakarya sporangia (photo from Q-bank, used with permission).  P. megakarya sporangia |
P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
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P. tentaculata chlamydospore  P. tentaculata chlamydospore with short hyphal projection |
P. palmivora colony morphology on PDA  P. palmivora colony morphology on PDA |