Oogonium with paragynous antheridia applied close to the ogonial stalk.
Photo Gallery
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P. megasperma oogonium  |
P. pseudotsugae paragynous oogonium  P. pseudotsugae oogonium with paragynous antheridia, note the disrupted contents of the abortive oogonia |
P. austrocedrae - Mal del ciprés in Argentina  Mal del ciprés looking toward Rio Grande, Chubut Province, Argentina |
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P. kernoviae leaf wilt  Necrosis of rhododendron leaves. |
P. megakarya chlamydospore 
Terminal chlamydospore of P. megakarya
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P. pinifolia on Pinus radiata  Pinus radiata, note grey and collapsed needle bases |
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P. palmivora symptoms on fruit  Brown rot on a lemon fruit caused by Phytophthora palmivora. |
P. kernoviae oogonia  Oogonium with amphigynous antheridia, photo from Q-bank, used with permission |
P. cinnamomi cork oak decline  Cork oak decline, Portugal |
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P. lateralis on Port Orford cedar  Dying Chaemacyparis lawsoniana trees in Lopérec, France. |
P. katsurae sporangia  Papillate, non-caducous sporangium with differentiated content; photo used with permission from Q-bank |
P. cambivora tar spots  Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany |