Erysiphe knautiae Duby

KW [Darwin] 53363. Place of collection: Ukraine; Chernihiv Oblast; Ripky District; Zamglai station (N51°49' E31°09'). Date of collection: 16 August 1996. Associated organism: Knautia arvensis (leaf, stem). Collector: Heluta, V.P.. Identifier: Heluta, V.P..