Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm
Photo Gallery
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P. arenaria oogonium  |
P. alni lesion in alder, Illwald, France  P. alni lesion in alder, Illwald, France |
P. frigida symptoms 4  Black wattle timber with symptoms of gummosis |
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Dying Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. cambivora sporangium  Ovoid non- papillate sporangia |
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P. cambivora colony morphology on PDA  Colony morphology on PDA at 14 days |
P. agathidicia growth on V8  Colony morphology of ex-holotype ICMP 17027 after 10-days incubation at 20°C in the dark |
P. nemorosa sporangia  Ovoid, semi-papillate sporangia showing sympodial development of sporangiophore |
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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. boehmeriae sporangium  Sporangium showing ovoid and ovoid to spherical shape and papillate condition |
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). |