Psilocybe azurescens is a psychedelic mushroom species that contains the active chemicals psilocybin and psilocin. It is one of the most powerful tryptamine-containing mushrooms, with up to 1.8 percent psilocybin, 0.5 percent psilocin, and 0.4 percent baeocystin by dry weight, with an average of 1.1 percent psilocybin and 0.15 percent psilocin. It belongs to the Hymenogastraceae family of the...