Leucostoma niveum
(Hoffm.) Höhn.
KW [Darwin] 7864. Place of collection: Ukraine; Zhytomyr Oblast; Ovruch District; Hladkovychi village; forestry (N51°20' E28°51'). Date of collection: 20 October 1950. Associated organism: Populus tremula (twig). Collector: Sokolova, M.D.. Identifier: Hayova, V.P..