Erysiphe cruciferarum
Opiz ex L. Junell
KW [Darwin] 10742. Place of collection: Ukraine; Volynska oblast; Kovel district; Kovel’ town; Bozhenka street (N51°14' E24°42'). Date of collection: 9 October 1982. Associated organism: Descurainia sophia (leaf, stem). Collector: Heluta, V.P.. Identifier: Heluta, V.P..