Erysiphe knautiae Duby

KW [Darwin] 51526. Place of collection: Ukraine; Donetsk oblast; Krasnyi Lyman district; Kreĭdova Flora reserve; Zakītne village (near) (N48°54' E37°56'). Date of collection: 23 June 1989. Associated organism: Knautia arvensis (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..