Oidium sp.

KW [Darwin] 50817. Place of collection: Ukraine; Donetsk oblast; Sloviansk district; Mayaki village; the southern part; Mayats’koho forest (north part) (N48°57' E37°37'). Date of collection: 20 August 1985. Associated organism: Campanula rapunculoides (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..