Psilocybin-containing mushrooms

Mushrooms with hallucinogenic properties. Often used in shamanic rituals and for mind-alteration purposes.

Tassili-n-Ajjer Plateau

A curious rock formation in the Sahara Desert of southern Algeria that houses rock paintings with depictions of shamans with domesticated cattle and mushrooms. Provides evidence of a human history of mushroom use.

Round Head Period

A period of human history named for the style in which humans were depicted in paintings. Likely started around the ninth millennium and ended before the seventh millennium B.C.E.

Soma

An ancient substance with psychedelic properties. Scholars have been unable to identify which plant Soma came from, although there is strong evidence pointing to a mushroom.

Cannabis

A multipurpose plant with psychoactive properties whose fibers could be used in weaving. Cannabis gained an unpopular reputation in modern history, but now perhaps could be a large agricultural crop in America.

Sugar

A refined source...