Erysiphe trifolii
Grev.
KW [Darwin] 51625. Place of collection: Ukraine; Kharkiv oblast; Zmiiv district; Haidary village (N49°37' E36°19'). Date of collection: 21 July 1989. Associated organism: Trifolium arvense (leaf). Collector: Dudka, I.O.. Identifier: Heluta, V.P..