Erysiphe cruciferarum
Opiz ex L. Junell
KW [Darwin] 51422. Place of collection: Ukraine; Republic of Crimea; Kerch District; Heroyivka settlement (N45°13' E36°24'). Date of collection: 10 May 1990. Associated organism: Alyssum sp. (leaf). Collector: Yatsenko, T.O.. Identifier: Heluta, V.P..