Marasmius
sp.
KW [Darwin] 56916. Place of collection: Ukraine; Kyiv Oblast; Kiev; Pushcha-Voditsya, forestry (N50°32' E30°21'). Date of collection: 5 October 1961. Associated organism: Quercus robur (debris). Collector: Konovalenko, M.M.. Identifier: Zerova, M.Ya..