Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic.
Photo Gallery
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P. cactorum oogonium  |
P. cinnamomi on Banksia  Dead and dying Banksia, Western Australia |
P. cryptogea sporangium  Ovoid non-papillate sporangia in water. |
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P. kernoviae oogonia  Oogonium with amphigynous antheridia, photo from Q-bank, used with permission |
P. agathidicida lesion on kauri tree  Gum oozing out of longitudinal lesion |
P. arenaria disease symptoms on Banksia landscape  Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |
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P. alni subsp alni sporangium  Non-papillate, non caducous sporangium, photo used with permission from Q-bank |
P. pluvialis oogonium and antheridium  Oogonium and oospore with amphigynous antheridium |
P. pluvialis on Pinus radiata  A Pinus radiata needle showing black resinous bands or marks consistent with the presence of red needle cast disease. |
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P. chlamydospora colony morphology on V8 agar  P. chlamydospora colony morphology on V8 agar |
P. kernoviae sporangia  Mycol.Res 109, 853-859; Figs 18-22. Regular, ovoid limoniform sporangia. Figs 23-26. Asymmetrical or sporangia |
P. tentaculata chlamydospore  P. tentaculata chlamydospore with short hyphal projection |