Oogonia with and without brown pigment, photo from Q-bank, used with permission
Photo Gallery
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P. austrocedrae oogonium  |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |
P. cinnamomi sporangium  P. cinnamomi sporangium |
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P. katsurae oogonium  Warty protuberances on oogonium |
P. pseudosyringae sporangia  Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |
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P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20 µm. |
P. siskiyouensis disease symptoms on Italian alder  Grove of dying trees in a commercial landscape in Foster City, CA |
P. pluvialis symptoms on Douglas-fir  P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |
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P. cambivora tar spots  Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany |
P. megakarya sporangium  Caducous papillate sporangium of P. megakarya |
P. austrocedrae - sporangia  Sporangium with distorted shape, photo from Q-bank, used with permission. |