P. pinifolia pathogen growing from infected needle on selective agar
Photo Gallery
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P. pinifolia hyphal growth  |
P. nicotianae hyphal swelling  P. nicotianae hyphal swellings in water 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. cambivora oogonium  P. cambivora oogonium with antheridium |
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P. cambivora oogonium  P. cambivora oogonium with antheridium |
P. palmivora sporangia
 P. palmivora caducous papillate sporangia
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P. frigida symptoms 2  Symptoms of gummosis on black wattle |
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P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base and simple sporangiophore |
P. lateralis on Port Orford Cedar  Horticultural planting of Port-Orford cedar, photo from USDA Forest Service, Dorena Genetic Resource Center |
P. alni canker on gray alder  Grey alder (A. incana) with collar rot caused by P. alni |
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P. kernoviae sporangium  Asymmetrical sporangium, photo from Q-bank, used with permission |
P. katsurae oogonium  Micrograph of warty oogonium |
P. megasperma colony morphology on V8  Colony morphology on V8 at 7 days |