Agaricus bitorquis
(Quél.) Sacc.
KW [Darwin] 35613. Place of collection: Ukraine; Luhansk oblast; Milove district; Velykots’k village (5-6 km from); grounds of N 60 stud farm (N49°20' E40°03'). Date of collection: 10 June 1955. Collector: Bauman, M.P..