Erysiphe heraclei
Schleich. ex DC.
KW [Darwin] 51497. Place of collection: Ukraine; Poltava oblast; Lubny district; Pisky village; Sula river (side) (N50°01' E33°04'). Date of collection: 18 July 1989. Associated organism: Oenanthe aquatica (leaf). Collector: Dudka, I.O.. Identifier: Heluta, V.P..