Erysiphe polygoni
DC.
KW [Darwin] 12234. Place of collection: Ukraine; Kyiv Oblast; Kiev city; Central Botanic Garden (N50°25' E30°32'). Date of collection: 12 October 1947. Associated organism: Polygonum lapathifolium (leaf). Collector: Morochkovska, G.S.. Identifier: Heluta, V.P..