Non-papillate, non caducous sporangium, photo used with permission from Q-bank
Photo Gallery
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P. alni subsp alni sporangium  |
P. alni in riparian alder, Scotland  P. alni in riparian alder, Scotland |
P. cambivora inactive lesion on chinquapin  Inactive lesion of P. cambivora on chinquapin |
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P. palmivora sporangia, chlamydospores, hyphae  Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |
P. ramorum sporangia and chlamydospores  Sporangia and chlamydospores of P. ramorum |
P. kernoviae leaf wilt  Necrosis of rhododendron leaves. |
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P. boehmeriae oogonium  Oogonia and oospores with amphigynous antheridia |
P. tentaculata chlamydospore  Terminal chlamydospore of P. tentaculata |
P. austrocedrae oogonium  Oogonia with and without brown pigment, photo from Q-bank, used with permission |
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Mal del ciprés, dead and dying trees along river  Mal del ciprés, dead and dying trees along river |
Phytophthora taxon Agathis bole canker  Canker on a Kauri tree, New Zealand |
P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand heavily impacted by root and collar rot caused by P. alni |