Marasmius
sp.
KW [Darwin] 56852. Place of collection: Ukraine; Kyiv Oblast; Bila Tserkva; Oleksandriya Arboretum (N49°48' E30°03'). Date of collection: 21 August 1956. Associated organism: Plantae indet. (debris). Collector: Balkovs’kiĭ, B.Ye.. Identifier: Zerova, M.Ya..