Erysiphe cruciferarum
Opiz ex L. Junell
KW [Darwin] 10709. Place of collection: Ukraine; Donetsk oblast; Sloviansk district; Mayaki village (N48°57' E37°37'). Date of collection: 10 September 1980. Associated organism: Brassica nigra (leaf, stem, fruit). Collector: Burdyukova, L.I.. Identifier: Heluta, V.P..