Psilocybe sierrae is a species of mushroom in the family Hymenogastraceae. (on Fondazione Museo Civico di Rovereto) The mushroom contains the psychoactive compounds psilocybin and psilocin. This species is found in Oregon, British Columbia and Chile.
See also List of Psilocybin mushrooms Psilocybin mushrooms Psilocybe
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