Photo Gallery

P. alni oogonium Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium.	P. pluvialis sporangium Sporangium showing typical ovoid shape and semi-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).
P. alni in riparian alder, Germany P. alni in riparian alder, Germany	P. cambivora coralloid hyphae Coralloid hyphae with hyphal swelling-like structures	Growth of P. megakarya on PDA Growth of P. megakarya on potato dextrose agar
P. cambivora colony morphology on PDA Rosaceous colony morphology at 14 days at 20°C on PDA	P. siskiyouensis canker on Italian alder Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues	P. pluvialis on Pinus radiata in New Zealand Pinus radiata needles showing colour changes following infection with red needle cast disease. The tissues around the initial infection at the base or along the needle senesce, and change yellow and then brown as indicated by the arrows before the needles cast.
P. cactorum oogonium Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic.	P. pinifolia on Pinus radiata Pinus radiata stand, note Defoliation and regrowth	P. cryptogea sporangium Obpyriform non-papillate sporangia in water