Microscopic

P. ramorum chlamydospores

P. ramorum sporangium

P. ramorum sporangia

P. cinnamomi hyphal swellings (or thin walled chlamydospores)

P. cinnamomi hyphal swelling (or thin walled chlamydospores)

P. cinnamomi sporangium

P. cinnamomi sporangium

P. pseudotsugae oogonium with amphigynous antheridia

 P. pseudotsugae oogonium with paragynous antheridia, note the disrupted contents of the abortive oogonia

Broadly ovoid, papillate sporangium in water