Podosphaera clandestina
(Wallr.) Lév.
KW [Darwin] 11785. Place of collection: Ukraine; Vinnytsia oblast; Yampil district; Severynivka village (N48°14' E28°25'). Date of collection: 21 August 1948. Associated organism: Crataegus curvisepala (leaf). Collector: Isaeva, O.V.. Identifier: Heluta, V.P..