Broadly ovoid, papillate sporangia in water
Photo Gallery
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P. pseudotsugae sporangia  |
P. siskiyouensis bleeding canker  Close-up of margin area of bole lesions under the bark of a bleeding canker |
P. arenaria disease symptoms on Banksia  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. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. ramorum leaf symptoms on tan oak  Tip symptoms on tanoak seedling (Notholithocarpus densiflorus). |
P. frigida symptoms 3  Black wattle bark with symptoms of gummosis |
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P. cambivora colony morphology on PDA  Cottony colony morphology at 14 days at 20°C on PDA |
P. pseudotsugae paragynous oogonium  P. pseudotsugae oogonium with paragynous antheridia, note the disrupted contents of the abortive oogonia |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base and simple sporangiophore |
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P. alni oogonia subspecies and variants  Fig. 40. P. alni subsp. uniformis. Fig. 41. P. alni subsp. multiformis German variant. Fig. 42. P. alni subsp. alni. Fig. 43. |
P. ramorum sporangium  Deciduous sporangium, photo from Q-bank, used with permission |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata |