Erysiphe cruciferarum
Opiz ex L. Junell
KW [Darwin] 10798. Place of collection: Ukraine; Republic of Crimea; Chornomorske district; Olenivka village (N45°22' E32°32'). Date of collection: 14 July 1982. Associated organism: Rapistrum rugosum (leaf, stem). Collector: Heluta, V.P.. Identifier: Heluta, V.P..