Created December 20, 2016.
Copyright 1998-2016 by John W. Allen and the Late Dr. Gastón Guzmán and Laura Guzmán-Davalos.

With Permission.

Dr. Gastón Guzmán working in his office. Photo: courtesy of Dr. Gastón Guzmán.

Friends of the shrooms. Right now this page is screwed up. Will Fix tomorrow.


The Collected Psilocybian papers of Dr. Gastón Guzmán
Anthropological and Cultural Historical Mushroom Data for Amateurs, Students and Scholars

A collection of rare and hard to fine articles on psilocybian mushrooms by the world renown mycologist, Dr. Gastón Guzmán and and numerous co-authors who assisted him in his life long studies related to the neurotropic fungi of the world.

Single Author Papers by Gastón Guzmán

(1): Nuevos Hongos (Agaricales) de la zona Tropical de Mexico.
(2): Supplement to the monograph of the genus Psilocybe.
(3): Observations on some fungi from Louisiana and Mississippi in comparison with those of Mexico.
(4): Las Especies de Psilocybe (Fungi) basidiomycotina, Agaricales) Conocidas en Jalisco (México) y Descripcíon de dos Nuevum para la Ciencia.
(5): New combinations in Hypholoma and information on the distribution and properties of the species.
(6): New species and new records of Psilocybe from Spain, the U.S.A. and Mexico, and a new case of poisoning by Psilocybe Barrerae.
(7): Hallucinogenic, medicinal, and edible mushrooms in Mexico and Guatemala: Traditions, myths, and knowledge.
(8): Traditional Uses and Abuses of Hallucinogenic Fungi: Problems and Solutions.
(9): Fungi in the Maya Culture: Past, Present and Future.
(10): The Known Hallucinogenic Species of Psilocybe (Agaricomycetideae) in the World: Traditional Uses and Distribution.
(11): The Known Non-Hallucinogenic species of Psilocybe in Mexico and description of two new species (Basidiomycotina, Agaricales, Strophariaceae.
(12): Psilocybe (Basidiomycotina, Agaricales, Strophariaceae) in the World Mycobiota, with Special Attention to Hallucinogenic Properties.
(13):Diversity and Use of Traditional Mexican Medicinal Fungi.
(14): Hallucinogenic Mushrooms in Mexico: An Overview.
(15): A Compilation of all Described Species in the Section Mexicanae (Guzmán). (A private paper in my files).
(16): New Taxonomic and Ethnomycological Observations of Psilocybe S.S. (Fungi, Basidiomycota, Agaricomycetidae, Agaricales, Strophariaceae) from Mexico, Africa and Spain.
(17): Las Relaciones de los Hongos Sagrados con el Hombre a Través del Tiempo.

Papers by Dr. Gastón Guzmán with one co-author

(18): Index of taxa in the genus Psilocybe.
(19): The known species of Psilocybe (Basidiomycotina, Agaricales, Strophariaceae) in Nepal.
(20): A new species of Psilocybe (Agaricales, Strophariceae) from Brazil.
(20a): The Neurotropic Psilocybe (Fr.) Kumm. (Agaricales, Strophariaceae) in Brazil: A Revision of the Known Species, the Fırst Record of P. wrightii, and the Synonymy of P. caeruleoannulata.
(21): The hallucinogenic and Non-hallucinogenic Species of the Genus Psilocybe Fayod (Basidiomycotina) in Washington State, USA: New Records and a New Species.

Papers by Dr. Gastón Guzmán with Two co-authors

(22): A new species of Psilocybe of section Zapotecorum from New Zealand.
(23): Index of the known species of the hallucinogenic fungi.
(24): A new bluing Psilocybe from Thailand.
(24a): Further Observations on the Genus Psilocybe from New Zealand.
(25): Mapping the mycelial network: a North American distribution of the psychoactive fungi.
(25a): A new bluing Psilocybe from U.S.A.
(26): Worldwide Geographical Distribution of the Neurotropic Fungi, an analysis and Discussion.
(26a): Another new bluing species of Psilocybe from Georgia, U.S.A.
(27): Nuevos registros en México de especies de Psilocybe (Basidiomycotina, Agaricales, Strophariaceae.
(28): Distribution of the Hallucinogenic Mushroom Psilocybe antioquensis Guzmán et al. (Agaricomycetideae) in Colombia, Mexico, and Cambodia.
(29): Las especies del género Psilocybe conocidas del Estado de Oaxaca, su distribución y relaciones étnicas.
(29a): New Species of Hallucinogenic Psilocybe (Fr.) P. Kumm. (Agaricomycetideae) from the Eastern U. S. A.
(30): First Discovery of the European Psilocybe magica (Agaricales, Strophariaceae) in America.
(31): Four new species of Psilocybe from Malaysia and Thailand, with a key to he species of Sect. Neocaledonicae and fiscussion on the distribution of the tropical and temperate species.
(32): A new for science neurotropic species of Psilocybe (Fr.) Kumm. (Agaricomycetideae) from the Western United States.
(33): New Combinations in the Genus Deconica (Fungi, Basidiomycota, Agaricales).
(34): The Japanese Hallucinogenic Mushrooms Psilocybe and a New Synonym of P. subcaerulipes with Three Asiatic Species Belong to Section Zapotecorum (Higher Basidiomycetes).
(35): Type studies of sensu lato (Strophariaceae, Agaricales).
(36): On the Origin of the Genus Psilocybe and Its Potential Ritual Use in Ancient Africa and Europe1.
(37): Medicinal Mushrooms in Guatemala.

Papers by Dr. Gastón Guzmán with Three co-authors

(37a): Two new bluing species of Psilocybe from Puerto Rico.
(38): Las especies del género Psilocybe (Fungi, Basidiomycotina, Agaricales) conocidas de Veracruz (México.
(39): New Hallucinogenic Mushrooms in Mexico Belonging to the Genus Psilocybe (Basidiomycotina, Agaricales, Strophariaceae).
(40): New section and new species of a bluing Psilocybe (fungi, basidiomycotina, Agaricales) from Colombia.
(41): A new bluing species of Psilocybe, section from New Mexico, U.S.A.
(42): A New record of Psilocybe pegleriana in Asia (Bsidiomicotina, Agaricales, Strophariaceae).
(43): Psilocybe (Basidiomycotina, Agaricales, Strophariaceae) in Canada, with a special review of species from British Columbia.
(44): A new bluing species of Psilocybe (Basidiomycota, Agaricales, Strophariaceae) - The first record of section Stuntzii for Mexico.
(45): Taxonomy and chemical aspects of Psilocybe wrightii from southern Brazil.
(46): Psilocybe s.s. in Thailand: Four new species and a review of previously recorded species.
(47): Psilocybe s. str. (Agaricales, Strophariaceae) in Africa with description of a new species from the Congo.

Papers by Dr. Gastón Guzmán with four co-authors

(48): The Genus Psilocybe in Kerala State, India.
(49): The taxonomy of Psilocybe fagicola-Complex.
(50): An Emendation of Psilocybe liniformans var. liniformans, an uncommon species found in the central Apennines (Italy).
(51): Psilocybe subbrunneocystidiata (Strophariaceae, Agaricales): A new species from southern Brazil.

Papers by Dr. Gastón Guzmán with five co-authors

(52): New Species of Psilocybe in the Caribbean, with an Emendation of P. guilartensis.
(53): Proposal to conserve the name Psilocybe (Basidiomycota) with a conserved type.

Papers by Dr. Gastón Guzmán with six co-authors

(54): Phylogenetic inference and trait evolution of the psychedelic mushroom genus Psilocybe sensu lato (Agaricales).

Many More Papers to Come. (Approx. 50-60).

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