Agaricus macrosporus
Mont.
KW [Darwin] 35698. Place of collection: Ukraine; Donetsk Oblast; Novoazovsk District; Khomutovskyi Steppe reserve (N47°17' E38°10'). Date of collection: 5 June 1954. Collector: Boĭchuk, O.B.. Identifier: Wasser, S.P..