Leucostoma niveum
(Hoffm.) Höhn.
KW [Darwin] 8366. Place of collection: Ukraine; Cherkasy Oblast; Kaniv District; Kanīv reserve (N49°44' E31°30'). Date of collection: 7 June 1944. Associated organism: Populus tremula (twig). Collector: Lavitska, Z.G.. Identifier: Minter, D.W..