Psilocybe coprophila
(Bull.) P. Kumm.
AMNH Richardson 2006.034. Place of collection: Iceland; Sudhurland; Laugarvatnshellir (N64°13' W20°53', alt. 180 m). Date of collection: 31 July 2006. Associated organism: Equus caballus (dung). Collector: Richardson, M.J..