Microscopic

P. austrocedrae - irregular sporangium with lateral attachment and swelling  in sporangiophore

P. austrocedrae - semipapillate sporangium with off-center attachment.

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

Mycol.Res 109, 853-859; Figs 18-22. Regular, ovoid limoniform sporangia. Figs 23-26. Asymmetrical or sporangia

Bullate oogonium and and two-celled amphigynous antheridium

Ovoid non- papillate sporangia

Empty sporangia of P. cambivora showing nested internal proliferation

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.

Non-papillate sporangia of P. alni showing nested proliferation.