Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon
Photo Gallery
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Dead Port Orford Cedar  |
P. palmivora sporangia
 P. palmivora caducous papillate sporangia
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P. pluvialis oogonium and antheridium  Oogonium and oospore with amphigynous antheridium |
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P. austrocedrae - Mal del ciprés, stages of decline  Mal del ciprés, stages of decline |
P. siskiyouensis colony morphology on V8  Colony morphology on V8 at 14 days |
P. austrocedrae colony morphology on CMA  Colony morphology of P. austrocedrae at 16ºC after 4 weeks on CMA |
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P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. pluvialis sporangium  Sporangium showing typical ovoid shape and semi-papillate condition |
P. pluvialis on Pinus radiata in New Zealand  Typical red needle cast symptoms along a twig. Lesions begin at the base of the needle which subsequently turns brown and is cast from the twig. |
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Comparative gametangial morphology of Phytophthora Clade 5 species  Comparative gametangial morphology of Phytophthora Clade 5 species, with SEM (top) and light microscopy (bottom). P. heveae has smooth walled oogonia with funnel-shaped, amphigynous antheridia. P. agathidicida has mildly stipulate oogonia with globose amphigynous antheridia. P.cocois has mildly bullate oogonia with reflexed amphigynous antheridia. P. castaneae has coarsely bullate oogonium with rugose protuberances and narrow amphigynous antheridia (Weir et al. 2015). |
P. megasperma colony morphology on V8  Colony morphology on V8 at 7 days |
P. chlamydospora colony morphology on carrot agar  P. chlamydospora colony morphology on carrot agar |