Erysiphe polygoni
DC.
KW [Darwin] 11501. Place of collection: Ukraine; Zakarpatska Oblast; Tiachiv District; Tiachiv town (N48°01' E23°37'). Date of collection: 23 August 1984. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..