Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium.
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P. alni oogonium  |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. nemorosa hyphal swellings  ‘Blistered’ hyphal swellings in agar |
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Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
Basal canker on Port-Orford cedar  Basal canker on Chamaecyparis lawsoniana |
P. cinnamomi sporangium  P. cinnamomi sporangium |
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P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm. |
P. pinifolia on Pinus radiata  Pinus radiata, note grey and collapsed needle bases |
P. ramorum colony morphology on CMA PARP  P. ramorum colony morphology on CMA PARP |
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P. cinnamomi sporangium  P. cinnamomi sporangium |
P. agathidicia disease symptoms on kauri  Crown decline of mature kauri, with branchlets with little or no leaves |
P. megasperma sporangia  Ovoid, non-papillate sporangia showing internal proliferation of sporangiophore |