Erysiphe polygoni
DC.
KW [Darwin] 12268. Place of collection: Ukraine; Odesa oblast; Rozdilna district; Yeremīïvka village (N46°47' E30°22'). Date of collection: 26 September 1977. Associated organism: Polygonum patulum (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..