Bark discoloration and zone lines in coast live oak (Quercus agrifolia)
Photo Gallery
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 |
P. austrocedrae necrotic lesion in phloem P. austrocedrae - necrotic lesion in phloem |
P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica) |