Erysiphe polygoni
DC.
KW [Darwin] 12301. Place of collection: Ukraine; Kyiv Oblast; Kievo-Sviatoshynskyi District; Khmilna village (N50°30' E30°01'). Date of collection: 29 July 1981. Associated organism: Rumex acetosella (leaf, petiole). Collector: Heluta, V.P.. Identifier: Heluta, V.P..