Broadly ovoid, papillate sporangia in water.
Photo Gallery
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P. cactorum sporangia  |
P. austrocedrae - Mal del ciprés, stages of decline  Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
P. megasperma sporangia  Ovoid, non-papillate sporangia showing internal proliferation of sporangiophore |
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P. pluvialis on Pinus radiata in New Zealand  Pinus radiata needles showing colour changes following infection with red needle cast disease. The tissues around the initial infection at the base or along the needle senesce, and change yellow and then brown as indicated by the arrows before the needles cast. |
P. cambivora active lesion on chinquapin  P. cambivora active lesion on chinquapin |
P. megakarya oospore
P. megakarya oogonia, oospore, and antheridium
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P. cambivora colony morphology on MA  Appressed colony morphology at 14 days at 20°C on MA |
P. alni subsp alni sporangium  Non-papillate, non caducous sporangium, photo used with permission from Q-bank |
P. cambivora symptoms  P. cambivora on Fagus sylvatica bole |
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P. cambivora oogonium  P. cambivora oogonium with antheridium |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata with an elongated neck or beak. |
P. cinnamomi sporangium  P. cinnamomi sporangium |