Erysiphe polygoni
DC.
KW [Darwin] 13537. Place of collection: Ukraine; Poltava Oblast; Novi Sanzhary District; Nekhvoroshcha village; Orīl’ river (side) (N49°08' E34°42'). Date of collection: 2 August 1994. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..