Erysiphe polygoni
DC.
KW [Darwin] 11585. Place of collection: Ukraine; Chernihiv Oblast; Bakhmach District; Baturyn settlement (N51°20' E32°52'). Date of collection: 10 August 1975. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..