Leucostoma niveum
(Hoffm.) Höhn.
KW [Darwin] 8361. Place of collection: Ukraine; Zhytomyr Oblast; Ovruch District; Ihnatpil village (N51°08' E28°43'). Date of collection: 23 May 1941. Associated organism: Populus tremula (twig). Collector: Sytnik, I.. Identifier: Minter, D.W..