Piptoporus betulinus
(Bull.) P. Karst.
KW [Darwin] 18849. Place of collection: Ukraine; Zhytomyr Oblast; Ovruch District; Hladkovychi forestry (N51°20' E28°51'). Date of collection: 23 September 1946. Associated organism: Betula pendula (twig). Collector: Radzievskyi, G.G.. Identifier: Radzievskyi, G.G..