Ovoid, non-papillate sporangia showing internal proliferation of sporangiophore
Photo Gallery
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P. megasperma sporangia  |
P. megakarya sporangium  Caducous papillate sporangium of P. megakarya |
P. pinifolia on Pinus radiata  Pinus radiata dead needles caused by DFP with healthy new growth from DFP |
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P. siskiyouensis oogonium with paragynous antheridium  P. siskiyouensis oogonium with paragynous antheridium |
P. kernoviae colony morphology  From Mycol.Res 109, 853-859; growth on CA under different conditions |
P. agathidicia sporangia  Differentiation of the cytoplasm within papillate sporangia into acid fuchsin stained zoospores |
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P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |
P. ramorum sporangia and chlamydospores  Sporangia and chlamydospores of P. ramorum |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base |
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P. cactorum bleeding canker  Bleeding canker on red oak (Quercus rubra) |
P. cambivora symptoms  P. cambivora on Fagus sylvatica bole |
Dead and healthy Port-Orford cedar seedlings  Port-Orford-cedar seedlings planted to test for Phytophthora lateralis resistance at the Dorena Genetic Resource Center |