Grove of dying trees in a commercial landscape in Foster City, CA
Photo Gallery
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P. siskiyouensis disease symptoms on Italian alder  |
P. pinifolia coenocytic hyphae  Coenocytic hyphae (from Duran et al. 2008). Scale bar = 20 μm. |
P. megakarya sporangia (photo from Q-bank, used with permission).  P. megakarya sporangia |
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P. austrocedrae - sporangia  Sporangium with distorted shape, photo from Q-bank, used with permission. |
P. katsurae growth morphology on β-CMA  Growth morphology at 7 days on β-CMA |
P. siskiyouensis bleeding canker  Close-up of margin area of bole lesions under the bark of a bleeding canker |
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P. austrocedrae colony morphology on Tomato juice agar with B sitosterol  Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar with B sitosterol |
P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. pinifolia colony morphology on PDA  Colony pattern after 7 days on PDA at 24C, photo from Q-bank, used with permission. |
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P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
P. ramorum oogonium  Oogonium with thick oogonial wall, photo from Q-bank, used with permission |
P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |