Erysiphe cruciferarum
Opiz ex L. Junell
KW [Darwin] 10781. Place of collection: Ukraine; Republic of Crimea; Feodosiya District; Karadah reserve; Syuryu-Kaya mountain ridge (far side) (N44°55' E35°13'). Date of collection: 26 August 1982. Associated organism: Hesperis steveniana (leaf, stem). Collector: Heluta, V.P.. Identifier: Heluta, V.P..