P. siskiyouensis oogonium with amphigynous antheridium
Photo Gallery
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P. siskiyouensis oogonium with amphigynous antheridium  |
P. megasperma colony morphology on V8  Colony morphology on V8 at 7 days |
P. kernoviae colony morphology  From Mycol.Res 109, 853-859; growth on CA under different conditions |
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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. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. ramorum sporangia  P. ramorum sporangia |
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P. chlamydospora hyphal swellings  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.
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P. palmivora symptoms on fruit  Brown rot on a lemon fruit caused by Phytophthora palmivora. |
Dying Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees |
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P. pseudosyringae sporangia  Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |
P. ramorum sporangium  P. ramorum sporangium |
P. frigida symptoms 3  Black wattle bark with symptoms of gummosis |