Erowid Psilocybin Mushroom Vault : Info on Comparitive psilocybe mushroom potencies

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The psilometric scale of comparative potency of selected Psilocybe mushrooms

Please note that these do not represent average values for widely sampled populations. Just because a mushroom species has some samples that show high or low concentrations does not mean that all mushrooms of that type have levels matching those in this chart.

SPECIES % PSILOCYBIN % PSILOCIN % BAEOCYSTIN REFERENCE

P. azurenscens 1.78 .38 .35 Stamets and Gartz 1995

P. bohemica 1.34 .11 .02 Gartz and Muller 1989; Gartz (1994)

P. semilanceata .98 .02 .36 Gartz 1994

P. baeocystis .85 .59 .10 Repke et al. 1977; Beug and Bigwood 1982(b)

P. cyanescens .85 .36 .03 Stijve and Kuyper 1985; Repke et al. 1977

P. tampanensis .68 .32 n/a Gartz 1994

P. cubensis .63 .60 .025 Gartz 1994; Stijve and de Meijer 1993

P. weilii .61 .27 .05

P. hoogshagenii .60 .10 n/a Heim and Hofmann 1958

P. stuntzii .36 .12 .02 Beug and Bigwood 1982(b); Repke et al. 1977

P. cyanofibrillosa .21 .04 n/a Stamets et al. 1980

P. liniformans .16 n/d .005 Stijve and Kuyper

Psilocybin Mushrooms of the World, Paul Stamets

SPECIES	% PSILOCYBIN	% PSILOCIN	% BAEOCYSTIN	REFERENCE
P. azurenscens	1.78	.38	.35	Stamets and Gartz 1995
P. bohemica	1.34	.11	.02	Gartz and Muller 1989; Gartz (1994)
P. semilanceata	.98	.02	.36	Gartz 1994
P. baeocystis	.85	.59	.10	Repke et al. 1977; Beug and Bigwood 1982(b)
P. cyanescens	.85	.36	.03	Stijve and Kuyper 1985; Repke et al. 1977
P. tampanensis	.68	.32	n/a	Gartz 1994
P. cubensis	.63	.60	.025	Gartz 1994; Stijve and de Meijer 1993
P. weilii	.61	.27	.05
P. hoogshagenii	.60	.10	n/a	Heim and Hofmann 1958
P. stuntzii	.36	.12	.02	Beug and Bigwood 1982(b); Repke et al. 1977
P. cyanofibrillosa	.21	.04	n/a	Stamets et al. 1980
P. liniformans	.16	n/d	.005	Stijve and Kuyper

Last Modified - Fri, Mar 31, 2006

Used by Erowid without permission of author

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