Erysiphe trifolii
Grev.
KW [Darwin] 13137. Place of collection: Ukraine; Vinnytsia oblast; Vinnytsia district; Vinnytsia city, near; P‘yatnichans’kiĭ forest (N49°16' E28°26'). Date of collection: 26 September 1926. Associated organism: Lathyrus pratensis (leaf, stem). Collector: Borisevich. Identifier: Heluta, V.P..