Oidium
sp.
KW [Darwin] 50923. Place of collection: Ukraine; Zakarpatska oblast; Mukacheve district; Chynadiyeve settlement; Sinyak farm (N48°30' E22°52'). Date of collection: 7 July 1972. Associated organism: Mycelis muralis (leaf). Collector: Dudka, I.O.. Identifier: Heluta, V.P..