Erysiphe polygoni
DC.
KW [Darwin] 11514. Place of collection: Ukraine; Zaporizhzhia Oblast; Prymorsk District; Inzivka village (N46°45' E36°04'). Date of collection: 13 July 1978. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..