Marasmius
sp.
KW [Darwin] 56584. Place of collection: Ukraine; Sumy Oblast; Lebedyn District; Mikhailivs’ka Tsilina Nature Reserve (N50°45' E34°12'). Date of collection: 12 August 1959. Associated organism: Gramineae gen.indet. (cellulose). Collector: Saricheva, Z.A.. Identifier: Zerova, M.Ya..