Erysiphe knautiae Duby

KW [Darwin] 11321. Place of collection: Ukraine; Luhansk oblast; Sverdlovsk district; Provallia village; Karakal forest parcel (N48°09' E39°51'). Date of collection: 25 July 1986. Associated organism: Knautia arvensis (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..