Erysiphe polygoni
DC.
KW [Darwin] 13538. Place of collection: Ukraine; Dnipropetrovsk Oblast; Tsarychanka District; Babaĭkīvka village; Orīl’ river, side (N49°01' E34°30'). Date of collection: 5 August 1994. Associated organism: Polygonum patulum (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..