Peronospora cephalariae Vincens, 1913

on Cephalaria

gall

upper side of the leaf with yellow spots. Underside there with a greyish purple down of erect conidiophores that apically several times are branching, each branch ending in an egg-shaped conidium.

hostplants

Caprifoliaceae, monophagous

Cephalaria alpina, transsylvanica.

references

Brandenburger (1985a: 597), Klenke & Scholler (2015a).