Erysiphe polygoni
DC.
KW [Darwin] 12266. Place of collection: Ukraine; Odesa Oblast; Kiliya District; Vylkove town; yard of forestry (N45°24' E29°35'). Date of collection: 17 August 1978. Associated organism: Polygonum patulum (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..