Ovoid, non-papillate sporangia showing internal proliferation of sporangiophore
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P. megasperma sporangia |
P. megakarya chlamydospore
Terminal chlamydospore of P. megakarya
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Port Orford cedar seedlings Raised beds for testing disease resistance of Port-Orford-cedar seedlings at the Dorena Genetic Resource Center |
P. palmivora symptoms on fruit Brown rot on a lemon fruit caused by Phytophthora palmivora. |
P. tentaculata disease symptoms on California mugwort Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot |