Psilocybe sp.

KW [Darwin] 57618. Place of collection: Ukraine; Poltava oblast; Hlobyne district; Gradiz’k village; Ustimivka arboretum (N49°19' E33°13'). Date of collection: 22 July 1956. Collector: Balkovs’kiĭ, B.Ye.. Identifier: Minter, D.W..