Peronospora cortusae Gäumann & Blumer, 1947
on Cortusa
gall
upper side of the leaf pale; underside with a brownish purple fungal down of erect conidiophores that apically several times are dichotomously branching, each branch acutely ending upon a conidium.
host plants
Primulaceae, monophagous
Cortusa matthioli.
references
Blumer (1946a), Brandenburger (1985a: 476), Gäumann & Blumer (1947a), Klenke & Scholler (2015a).