Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany
Photo Gallery
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P. cambivora tar spots  |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |
P. pseudotsugae sporangia  Broadly ovoid, papillate sporangia in water |
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Dead Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees along road |
P. cambivora older hyphae  Old septate hyphae |
P. siskiyouensis bleeding canker  Close-up of margin area of bole lesions under the bark of a bleeding canker |
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P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. siskiyouensis disease symptoms on Italian alder  Grove of dying trees in a commercial landscape in Foster City, CA |
P. siskiyouensis canker on Italian alder  Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk |
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P. cambivora bole canker  Fagus sylvatica bole canker |
P. pinifolia sporangia  Sporangium with internal proliferation, photo from Q-bank, used with permission. |
P. palmivora sporangia, chlamydospores, hyphae  Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |