Podosphaera clandestina
(Wallr.) Lév.
KW [Darwin] 11212. Place of collection: Ukraine; Kiev oblast; Kiev city; Bahrinova hill (N50°23' E30°32'). Date of collection: 3 October 1938. Associated organism: Crataegus curvisepala (leaf). Collector: Lavitska, Z.G.. Identifier: Heluta, V.P..