Erysiphe polygoni
DC.
KW [Darwin] 11516. Place of collection: Ukraine; Kyiv Oblast; Borispil’ District; Dudarkiv village (N50°27' E30°57'). Date of collection: 2 August 1947. Associated organism: Polygonum aviculare (leaf). Collector: Trykoz, G.O.. Identifier: Heluta, V.P..