Peronospora gigantea Gäumann, 1923
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.
Ranunculaceae, narrowly monophagous
Brandenburger (1985a), Buhr (1965a), Klenke & Scholler (2015a).