Psilocybe cubensis is a large unfold, big bodied, psychedelic mushroom that are available in tropical and sub-tropical climates world wide. P. Cubensis produces the chemical compounds psilocin and psilocybin, which classifies it as among the list of psilocybin mushrooms. This mushroom was "learned" F.S. Earle in Cuba in 1904 as https://greenhealstore.com/product-category/mushrooms/