Blue-foot

Psilocybe caerulipes, commonly known as blue-foot, is a rare psilocybin mushroom of the family Hymenogastraceae, having psilocybin and psilocin as main active compounds. An older synonym is Agaricus caerulipes. It is in the section Semilanceatae, other members of the section include Psilocybe bohemica, Psilocybe callosa, Psilocybe carbonaria, Psilocybe cyanofibrillosa, Psilocybe fimetaria, Psilocybe indica, Psilocybe liniformans var. liniformans, Psilocybe liniformans var. americana, Psilocybe pelliculosa, Psilocybe semiinconspicua, Psilocybe semilanceata, Psilocybe serbica, Psilocybe silvatica, Psilocybe subfimetaria and Psilocybe venenata.