Healthy Chamaecyparis lawsoniana tree
Photo Gallery
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Healthy Port Orford Cedar tree  |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
P. ramorum leaf symptoms on tan oak  Tip symptoms on tanoak seedling (Notholithocarpus densiflorus). |
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P. pluvialis on Pinus radiata needle  Clusters of sporangia emerge from stomata of an infected radiata pine needle. |
P. megakarya chlamydospore 
Terminal chlamydospore of P. megakarya
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P. siskiyouensis canker on Italian alder  Phytophthora collar rot on Italian alder trees: an isolated bleeding canker on the trunk |
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P. cambivora colony morphology on PDA  Colony morphology on PDA at 14 days |
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. |
P. siskiyouensis bleeding canker  Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
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P. pinifolia on Pinus radiata  Pinus radiata impacted by DFP, note healthy new growth |
P. palmivora sporangia  Sporangia (sporangiospores) showing sympodial branching |
P. ramorum sporangia  P. ramorum sporangia |