Ovoid, semi-papillate sporangium showing medium length pedicel.
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P. nemorosa sporangium  |
P. siskiyouensis canker on Italian alder  Phytophthora collar rot on Italian alder trees: an isolated bleeding canker on the trunk |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangia in water, showing subsporangial elongation. Bar is 20 µm. |
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Phytophthora taxon Agathis bole canker  Kauri tree in New Zealand with disease symptoms |
P. siskiyouensis oogonium with paragynous antheridium  P. siskiyouensis oogonium with paragynous antheridium |