Podosphaera clandestina
(Wallr.) Lév.
KW [Darwin] 52653. Place of collection: Ukraine; Republic of Crimea; Alushta District; Artek pioneer camp (N44°33' E34°19'). Date of collection: 2 October 1986. Associated organism: Crataegus sp. (leaf). Collector: Isikov, V.P.. Identifier: Heluta, V.P..