Psilocybin Mushrooms of the World

A Guide to Identification
by Paul Stamets
The most comprehensive field guide to the psilocybin-active species spanning the world. With excellent color photographs, nearly 100 species are fully described many new species not seen in any previous works. Far more than just a field guide, this book will prove useful to mycologists, scholars, physicians, and the passionately curious.
256 pages 6" x 9"

Psilocybin Mushrooms of the World
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