Photo Gallery

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P. megakarya sporangium

Caducous papillate sporangium of P. megakarya

P. cambivora tar spots

Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany

P. siskiyouensis sporangia

Sporangia showing a variety of shapes and orientations of semi-papillae and sporangiophores

Growth of P. palmivora on CMA

Growth of P. palmivora on corn meal agar

P. ramorum leaf symptoms on tan oak

Tip symptoms on tanoak seedling (Notholithocarpus densiflorus).

P. cambivora sporangium

Ovoid non-papillate sporangia with well-rounded base

P. alni in riparian alder, Germany

P. alni in riparian alder, Germany

P. cambivora active lesion on chinquapin

P. cambivora active lesion on chinquapin

P. cactorum sporangia

Broadly ovoid, papillate sporangia in water.

P. cambivora sporangium

Ovoid non-papillate sporangia with well-rounded base

P. siskiyouensis canker on Italian alder

Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk

P. katsurae disease symptoms

Infected chestnut (Castanea) with girdling canker

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