Agaricus bisporus
(J.E. Lange) Imbach
KW [Darwin] 35597. Localité de collection: Ukraine; Luhansk Oblast; Milove District; Shakhtar hay production farm; adjacent to the reserve ‘Srīlets’kiĭ Steppe‘. Date de collection: 13 Novembre 1954. Collectionneure: Bauman, M.P..