Created May 31, 2013. Revised May 7, 2017. Copyright 1998-2017 by John W. Allen. DESCRIPTION AND CHEMICAL ANALYSIS OF A NEW SPECIES OF
HALLUCINOGENIC PSILOCYBE FROM THE PACIFIC NORTHWEST by Gaston Guzman and Jonathan Ott CLICK ON EACH IMAGE TO ENLARGE
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Originally Published In: Mycologia vol. 68:1261-1267. 1976.