Peronospora gigantea Gäumann, 1923
on Ranunculus
gall
upper side of the leaf with yellow spots. Underside there with a brownish purple down of high erect conidiophores that apically several times are dichotomously branching, each branch ending in a conidium.
hostplants
Ranunculaceae, narrowly monophagous
Ranunculus lingua.
references
Brandenburger (1985a), Buhr (1965a), Klenke & Scholler (2015a).
23/09/2015