Erysiphe trifolii
Grev.
KW [Darwin] 12484. Place of collection: Ukraine; Cherkasy oblast; Kaniv district; Kanīv town; Kanīvs’kiĭ reserve (N49°44' E31°30'). Date of collection: 11 September 1944. Associated organism: Melilotus sp. (leaf). Collector: Gorodetska. Identifier: Heluta, V.P..