Oogonia

Oogonium and oospore with amphigynous antheridium

Oogonium and oospore with amphigynous antheridium

 Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm

P. palmivora oogonium

P. megakarya oogonia, oospore, and antheridium

Fig. 40. P. alni subsp. uniformis. Fig. 41.  P. alni subsp. multiformis German variant. Fig. 42. P. alni subsp. alni. Fig. 43. 

Oogonia with and without brown pigment, photo from Q-bank, used with permission

Oogonium with thick oogonial wall, photo from Q-bank, used with permission

Oogonium with amphigynous antheridia, photo from Q-bank, used with permission

Oogonium with amphigynous antheridia, photo from Q-bank, used with permission