An Overview on the Taxonomy, Phylogenetics and Ecology of the Psychedelic Genera Psilocybe, Panaeolus, Pluteus and Gymnopilus

Summary

Psilocybin, a potent hallucinogen from "magic mushrooms," offers significant therapeutic promise for mental health without addiction risks. Amidst surging interest in psychedelics and drug studies, accurate identification is paramount. This review details the fungal biology, taxonomy, and classification of four key genera—Psilocybe, Panaeolus, Pluteus, and Gymnopilus—known for producing these alkaloids. Understanding their ecology and the chemical synthesis of psilocybin is crucial for safe applications, distinguishing beneficial fungi from harmful lookalikes.

Abstract

Psilocybin and psilocin, two psychoactive components found in “magic mushrooms,” have therapeutic potential in a number of mental health disorders without the addictiveness and overdose risks found in other mind-altering drugs, such as cocaine, methamphetamines and alcohol. Psychedelic mushrooms occur naturally, are wide distributed and easily accessible. The need for reviews and comprehensive field guides is urgent due to the recent surge of research into psychedelic mushrooms along with public interest. Psilocybin and psilocin are recorded in mushroom species of Psilocybe, Panaeolus, Pluteus , and Gymnopilus . This review discusses species identification, taxonomy and classification, available DNA sequence data and psychedelic species in Psilocybe , Panaeolus, Pluteus , and Gymnopilus , as well as similar looking genera that could be harmful.

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