Peronospora viennotii Mayor, 1952
on Cytisus
gall
upper side of the leaf with pale spots. Underside there with a white or grey down of erect conidiophores that apically several times are branching, each branch ending in an egg-shaped conidium.
hostplants
Fabaceae, narrowly monophagous
Cytisus scoparius.
references
Brandenburger (1985a), Klenke & Scholler (2015a).