Marasmius
sp.
KW [Darwin] 56553. Place of collection: Ukraine; Luhansk Oblast; Milove District; Strilets’kii Steppe Nature Reserve (N49°17' E40°05'). Date of collection: 25 August 1956. Associated organism: Fraxinus excelsior (leaf). Collector: Saricheva, Z.A.. Identifier: Zerova, M.Ya..