Erysiphe cruciferarum
Opiz ex L. Junell
KW [Darwin] 10812. Place of collection: Ukraine; Kharkiv oblast; Velykyi Burluk district; Pidserednie village (N50°06' E37°18'). Date of collection: 26 September 1973. Associated organism: Sinapis arvensis (leaf, stem, peduncle, fruit). Collector: Dudka, I.O.. Identifier: Heluta, V.P..