Panaeolus sphinctrinus
(Fr.) Quél.
KW [Darwin] 28185. Place of collection: Ukraine; Luhansk oblast; Milove district; Striletskyi Steppe reserve (N49°14' E40°05'). Date of collection: 4 June 1955. Collector: Zerova, M.Ya.. Identifier: Zerova, M.Ya..