Fig. 40. P. alni subsp. uniformis. Fig. 41. P. alni subsp. multiformis German variant. Fig. 42. P. alni subsp. alni. Fig. 43.
Photo Gallery
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P. alni oogonia subspecies and variants  |
P. boehmeriae oogonium  Oogonia and oospores with amphigynous antheridia |
P. palmivora chlamydospore  Terminal chlamydospore of P. palmivora |
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P. tentaculata disease symptoms on California mugwort  Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot |
Mal del ciprés, dead and dying trees along river  Mal del ciprés, dead and dying trees along river |