Erysiphe heraclei
Schleich. ex DC.
KW [Darwin] 11589. Place of collection: Ukraine; Chernihiv oblast; Mena district; Berezna village (N51°34' E31°47'). Date of collection: 29 July 1947. Associated organism: Chaerophyllum bulbosum (leaf). Collector: Kharkevich, G.S.. Identifier: Heluta, V.P..