Panaeolus sphinctrinus
(Fr.) Quél.
KW [Darwin] 28180. Place of collection: Ukraine; Donetsk Oblast; Novoazovsk District; Khomutovskyi Steppe reserve (N47°17' E38°10'). Date of collection: 19 May 1956. Collector: Bauman, M.P.. Identifier: Zerova, M.Ya..