Empty sporangia showing internal extended proliferation
Photo Gallery
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P. cambivora sporangium with internal extended proliferation  |
P. katsurae oogonia  Oogonia with ornamentation |
P. nemorosa hyphal swellings  ‘Blistered’ hyphal swellings in agar |
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Stain from Port Orford Cedar root disease  Stain from Chamaecyparis lawsoniana root disease on the Smith River |
P. megasperma sporangium  Ovoid, non-papillate sporangia |
P. pinifolia sporulation  Sporulation on edge of hemp seed, photo from Q-bank, used with permission. |
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P. cambivora oogonium  P. cambivora oogonium with antheridium |
P. lateralis sporangia  Sympodial sporangiophore with external proliferation |
P. kernoviae colony morphology on CMA PARPH  Organism grown on CMA PARP[H]; Plant disease 70, 1038-1043 |
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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). |
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 |
P. alni in alder forest, Germany, with T. Jung  P. alni in alder forest, Germany, with T. Jung |