Micro fungus on Geranium pratense

Micro fungus on Geranium pratense

Observation - Micro fungus on Geranium pratense. Description: Discoloured upperside of G pratense leaf with yellowish blotches which are mirrored on the underside by patches of white.

Discoloured upperside of G pratense leaf with yellowish blotches which are mirrored on the underside by patches of white.