Erysiphe knautiae Duby

KW [Darwin] 51713. Place of collection: Ukraine; Zhytomyr Oblast; Korosten’ District; Korosten’ town; between Drevlyanka and Shatrishche stations (N50°56' E28°41'). Date of collection: 14 October 1994. Associated organism: Knautia arvensis (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..