Erysiphe polygoni
DC.
KW [Darwin] 11548. Place of collection: Ukraine; Mykolaiv Oblast; Kryve Ozero District; Kryve Ozero settlement (N47°57' E30°21'). Date of collection: 26 September 1977. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..