Ovoid, non-papillate sporangia
Photo Gallery
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P. megasperma sporangium  |
P. cambivora colony morphology on PDA  Appressed colony morphology at 14 days at 20°C on PDA |
P. boehmeriae sporangium  Sporangium showing ovoid and ovoid to spherical shape and papillate condition |
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P. katsurae oogonium  Warty protuberances on oogonium |
P. ramorum sporangium  P. ramorum sporangium |
P. cambivora inactive lesion on chinquapin  Inactive lesion of P. cambivora on chinquapin |
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P. pinifolia on Pinus radiata  Dead needles on lower side of P. radiata branch. |
P. kernoviae sporangium  Asymmetrical sporangium, photo from Q-bank, used with permission |
P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
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P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
P. ramorum oogonium  Oogonium with thick oogonial wall, photo from Q-bank, used with permission |