Erysiphe trifolii
Grev.
KW [Darwin] 12566. Place of collection: Ukraine; Kiev oblast; Kiev city; Central Botanic Garden (N50°25' E30°32'). Date of collection: 2 September 1976. Associated organism: Trifolium pratense (leaf). Collector: Peregon; Potayenko. Identifier: Heluta, V.P..