Healthy Chamaecyparis lawsoniana tree
Photo Gallery
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This site is no longer being developed and will be retired on September 1, 2026. Please contact us if you have any questions or would like to provide support to continue the project.
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Healthy Port Orford Cedar tree  |
P. katsurae sporangia  Papillate, non-caducous sporangium with differentiated content; photo used with permission from Q-bank |
P. katsurae disease symptoms  Infected chestnut (Castanea) with girdling canker |
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P. arenaria disease symptoms on Banksia  Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |
P. kernoviae oogonia  Oogonium with amphigynous antheridia, photo from Q-bank, used with permission |
P. pluvialis colony morphology on carrot agar  Colony morphology on carrot agar at 20 days |
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P. lateralis on Port Orford cedar  Bole lesion on Chaemacyparis lawsoniana in Lopérec, France |
P. pluvialis symptoms on Douglas-fir needles  Symptoms of red needle cast on Douglas-fir needles |
P. cambivora oogonium  Bullate oogonium with amphyginous antheridium |
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P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. pinifolia on Pinus radiata  Dead needles on lower side of P. radiata branch. |
P. pinifolia on Pinus radiata  Pinus radiata impacted by DFP, note healthy new growth |