Bark discoloration and zone lines in coast live oak (Quercus agrifolia)
Photo Gallery
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P. ramorum canker  |
Growth of P. megakarya on PDA  Growth of P. megakarya on potato dextrose agar |
P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
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P. austrocedrae necrotic lesion in phloem  P. austrocedrae - necrotic lesion in phloem |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |