Grey alder (A. incana) with collar rot caused by P. alni
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P. alni canker on gray alder  |
P. agathidicia oogonia  P. agathidicida oogonia with SEM (top) and light microscopy (bottom) |
P. siskiyouensis sporangia  Sporangia showing a variety of shapes and orientations of semi-papillae and sporangiophores |
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P. austrocedrae oogonia drawing  P. austrocedrae. Morphology of oogonia, oospores and antheridia. Bar: 10 mm. Greslebin et al. 2007 |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |
P. boehmeriae oogonia  Oogonia and oospores with amphigynous antheridia |
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P. alni in riparian alder, Scotland  P. alni in riparian alder, Scotland |
P. ramorum colony morphology on PDA  P. ramorum colony morphology on PDA |
P. lateralis on Port Orford cedar  Dying Chaemacyparis lawsoniana trees in Lopérec, France. |
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P. cactorum bleeding canker  Bleeding canker on red oak (Quercus rubra) |
P. cactorum sporangium  P. cactorum sporangium |
P. cambivora inactive lesion on chinquapin  Inactive lesion of P. cambivora on chinquapin |