P. alni oogonia

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

Related Species: 

alni

Photographer: 

Thomas Jung, Bugwood.org

Pathogen Morphology: 

Microscopic photos

Antheridia

Oogonia

Oospores

Scale: 

Microscopic