Leptotrochila cerastiorum
(Wallr.) Schüepp
KW [Darwin] 5188. Place of collection: Russia; Leningrad Oblast; Kirovskyi raion. Date of collection: 20 July 1915. Associated organism: Cerastium holosteoides (leaf). Collector: Ganeshin, S.S.. Identifier: Minter, D.W..