Erysiphe knautiae
Duby
KW [Darwin] 11322. Place of collection: Ukraine; Lviv Oblast; Skole District; Slavs’ke settlement; road in forest parcel Hrabovets’ (N48°50' E23°26'). Date of collection: 14 July 1986. Associated organism: Knautia arvensis (leaf). Collector: Burdyukova, L.I.. Identifier: Heluta, V.P..