Erysiphe cruciferarum
Opiz ex L. Junell
KW [Darwin] 10665. Place of collection: Ukraine; Luhansk oblast; Bilovodsk district; Pluhatar village (N49°13' E39°44'). Date of collection: 27 September 1973. Associated organism: Alliaria petiolata (stem). Collector: Dudka, I.O.. Identifier: Heluta, V.P..