Red needle cast symptoms on Douglas-fir in western Oregon, 2015
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P. pluvialis symptoms on Douglas-fir  |
P. cinnamomi cork oak decline  Cork oak decline, Portugal |
P. siskiyouensis bleeding canker  Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
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P. ramorum leaf symptoms on tan oak  Tip symptoms on tanoak seedling (Notholithocarpus densiflorus). |
P. cinnamomi hyphal swellings  P. cinnamomi hyphal swellings (or thin walled chlamydospores) |
P. kernoviae leaf wilt  Necrosis of rhododendron leaves. |
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P. katsurae disease symptoms  Infected chestnut (Castanea) with bleeding canker |
P. nemorosa sporangia  Ovoid, semi-papillate sporangia showing sympodial development of sporangiophore |
P. pluvialis - appearance of new growth  Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
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P. cinnamomi on Fraser fir  Frasier fir Christmas trees, North Carolina |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata |
P. cambivora disease symptoms  Collar canker rot of Ink disease on sweet chestnut |