Broadly ovoid, papillate sporangia in water
Photo Gallery
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P. pseudotsugae sporangia  |
P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. austrocedrae oogonium  Oogonia with and without brown pigment, photo from Q-bank, used with permission |
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P. pseudotsugae amphigynous oogonium  P. pseudotsugae oogonium with amphigynous antheridia |
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). |
P. cinnamomi on Fraser fir  Frasier fir Christmas trees, North Carolina |
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P. pinifolia colony morphology on V8  Colony morphology of P. pinifolia at 20°C on V8 after 3 weeks. From Duran et al. 2008 |
P. pinifolia colony morphology on CMA-NARP  Colony morphology of P. pinifolia at 20°C on CMA-NARP after 3 weeks. From Duran et al. 2008 |
P. cambivora colony morphology on PDA  Rosaceous colony morphology at 14 days at 20°C on PDA |
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P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base and simple sporangiophore |
P. pinifolia on Pinus radiata  Pinus radiata needles, note “black line” symptom near needle bases |
P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |