Erysiphe trifolii Grev.

KW [Darwin] 12555. Place of collection: Ukraine; Donetsk oblast; Sloviansk district; Mayaki village; Mayats’kiĭ forest forest parcel; southern part of (N48°57' E37°37'). Date of collection: 21 July 1977. Associated organism: Trifolium pratense (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..