Oogonia

P. cambivora oogonium with antheridium

P. cambivora oogonium with antheridium

P. austrocedrae. Morphology of oogonia, oospores and antheridia. Bar: 10 mm. Greslebin et al. 2007

Mycol.Res 109, 853-859; Representative oogonia, antheridia and thick walled plerotic oospores of Phytophthora kernoviae.

Bullate oogonium and and two-celled amphigynous antheridium

Smooth-walled oogonium of P. alni (Swedish variant) with oospore and amphigynous antheridium.

Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium.

P. pseudotsugae oogonium with amphigynous antheridia

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

P. siskiyouensis oogonium with paragynous antheridium