Erysiphe polygoni
DC.
KW [Darwin] 11540. Place of collection: Ukraine; Republic of Crimea; Sudak District; Sudak town (N44°51' E34°58'). Date of collection: 22 August 1982. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..