Erysiphe polygoni
DC.
KW [Darwin] 12312. Place of collection: Ukraine; Kyiv Oblast; Kiev city; Pershotravnevy park (N50°27' E30°31'). Date of collection: 2 August 1946. Associated organism: Rumex confertus (leaf). Collector: Isaeva, O.V.. Identifier: Heluta, V.P..