P. ramorum sporangia
Photo Gallery
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P. ramorum sporangia  |
P. agathidicia oogonia  Light micrograph of P. agathidicida oospore (Scale bar equals 15 µm) |
P. cambivora bole canker  Fagus sylvatica bole canker |
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P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. tentaculata oogonia and antheridia  Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata |
P. cambivora sporangia  Empty sporangia of P. cambivora showing nested internal proliferation |
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P. ramorum colony morphology on PDA  P. ramorum colony morphology on PDA |
Healthy Port Orford Cedar tree  Healthy Chamaecyparis lawsoniana tree |
P. katsurae sporangia  Papillate, non-caducous sporangium with differentiated content; photo used with permission from Q-bank |
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P. cambivora active lesion on chinquapin  P. cambivora active lesion on chinquapin |
P. pluvialis sporangia.  P. pluvialis sporangia on tape peel from infected Douglas-fir needle. |
P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note the reddish appearance of affected trees prior to needle drop. |