Erysiphe cruciferarum Opiz ex L. Junell

KW [Darwin] 10817. Place of collection: Ukraine; Luhansk oblast; Krasnodon district; Krasnodon town (N48°17' E39°45'). Date of collection: 29 September 1973. Associated organism: Sisymbrium loeselii (leaf, stem). Collector: Dudka, I.O.. Identifier: Heluta, V.P..