Erysiphe polygoni DC.

KW [Darwin] 13541. Place of collection: Ukraine; Poltava Oblast; Kobeliaky District; island Vishnyaki on Dnīprī between villages Svītlohīrs’ke and Orlik; southern part of of island (N48°50' E34°07'). Date of collection: 10 August 1994. Associated organism: Rumex acetosa (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..