The Encyclopedia of Psychoactive Plants: Ethnopharmacology and Its Applications: Christian Ratsch, Albert Hofmann (Foreward): 9780892819782: Amazon.com: Books
Psychoactive Plant Extracts | Psychology Today
The intoxicating garden: Michael Pollan on growing psychoactive plants | Financial Times
9 Mind-Altering Plants | Britannica
A Golden Guide to Hallucinogenic Plants | Howard G Charing - Shamanism in Romania
9 Mind-Altering Plants | Britannica
People and Psychoactive Plants : Provocations for New Paradigms - Centre for Biocultural Diversity - Research at Kent
The Encyclopedia of Psychoactive Plants de Christian Rätsch - eMAG.ro
Hallucinogens
20 DIY Psychoactive Plants You Can Grow at Home or in Your Garden
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List of psychoactive plants, fungi, and animals - Wikipedia