Peronospora ruegeriae Gäumann, 1923
on Onobrychis
gall
underside of the leaves with a greyish white down of erect conidiophores that apically several times are dichotomously branching, each branch ending upon an ovoid conidium.
hostplants
Fabaceae, monofaag
Onobrychis montana, viciifolia.
references
Brandenburger (1985a), Klenke & Scholler (2015a), Müller & Kokeš (2008a), Săvulescu (1948a).