Agaricus bisporus (J.E. Lange) Imbach

KW [Darwin] 35596. Fundort: Ukraine; Luhansk Oblast; Milove District; Shakhtar hay production farm; adjacent to the reserve ‘Srīlets’kiĭ Steppe‘. Kollektionsdatum: 12 Juni 1954. Sammler: Bauman, M.P..