Foreword
Preface
Introduction
What Are Psychoactive Plants?
The Use of Psychoactive Plants
Psychoactive Plants and Shamanic Consciousness
The Fear of Psychoactive Plants
The Study of Psychoactive Plants
Psychoactive Plants as Factors in the Development of Culture
THE PSYCHOACTIVE PLANTS
On the Structure of the Major Monographs
The Most Important Genera and Species
from A to Z
Major Monographs
Little-Studied Psychoactive Plants
Minor Monographs
Reputed Psychoactive Plants
“Legal Highs”
Psychoactive Plants That Have
Not Yet Been Identified
PSYCHOACTIVE FUNGI
The Archaeology of Entheogenic
Mushroom Cults
Cultivating Mushrooms
The Genera and Species from A to Z
Purported Psychoactive Fungi
General Literature on
Psychoactive Fungi
PSYCHOACTIVE PRODUCTS
ACTIVE CONSTITUENTS OF PLANTS
Active Plant Constituents
and Neurotransmitters
The Active Plant Constituents
from A to Z
Botanical Taxonomy of Psychoactive
Plants and Fungi
General Bibliography
Bibliographies
Periodicals
Books and Articles
Acknowledgments
Index
Christian Rätsch, Ph.D. (1957 – 2022), was a world-renowned
anthropologist and ethnopharmacologist who specialized in the
shamanic uses of plants for spiritual as well as medicinal
purposes. He studied Mesoamerican languages and cultures and
anthropology at the University of Hamburg and spent, altogether,
three years of fieldwork among the Lacandone Indians in Chiapas,
Mexico, being the only European fluent in their language. He then
received a fellowship from the German academic service for foreign
research, the Deutsche Akademische Auslandsdienst (DAAD), to
realize his doctoral thesis on healing spells and incantations of
the Lacandone-Maya at the University of Hamburg, Germany.
In addition to his work in Mexico, his numerous fieldworks have
included research in Thailand, Bali, the Seychelles, as well as a
long-term study (18 years) on shamanism in Nepal combined with
expeditions to Korea and the Peruvian and Colombian Amazon. He also
was a scientific anthropological advisor for expeditions organized
by German magazines such as GEO and Spektrum der Wissenschaften
(Spectrum of Sciences).
Before becoming a full-time author and internationally renowned
lecturer, Rätsch worked as professor of anthropology at the
University of Bremen and served as consultant advisor for many
German museums. Because of his extensive collection of shells,
fossils, artifacts, and entheopharmacological items, he had
numerous museum expositions on these topics.
He is the author of numerous articles and more than 40 books,
including Plants of Love, Gateway to Inner Space, Marijuana
Medicine, and The Dictionary of Sacred and Magical Plants. He is
also coauthor of Plants of the Gods, Shamanism and Tantra in the
Himalayas, and Witchcraft Medicine and was editor of the Yearbook
of Ethnomedicine and the Study of Consciousness. A former member of
the board of advisors of the European College for the Study of
Consciousness (ECSC) and former president of the Association of
Ethnomedicine, he lived in Hamburg, Germany.
“. . . this superb academic reference is the first comprehensive
work devoted to psychoactive plants. Ratsch, an anthropologist,
ethnopharmacologist, . . . includes more than 400 traditional and
modern substances that ‘affect the mind or alter the state of
consciousness’. . . .Each major monograph contains the plant’s
scientific and common names, chemical structure, history,
distribution, cultivation, appearance, preparation and dosage,
ritual and medicinal uses, commercial forms and regulations, and
effects, as well as research literature references. . . .This book
offers something for everyone. . . . Highly recommended.”
*Andy Wickens, Library Journal, August 2005*
“Rätsch’s Encyclopedia is massive in scope, exhaustively
researched, heavily referenced, user-friendly, authoritative, and
beautifully illustrated. It belongs on the bookshelf of everyone
with an interest in psychoactive plants--from those with only a
casual interest to veteran researchers.”
*Rick Strassman, M.D., University of New Mexico School of Medicine,
and author of DMT: The Spirit Mol*
“It is a truism in anthropology that virtually all cultures utilize
plants and mushrooms for their psychoactive effects. The impulse to
achieve altered states of consciousness is universal. Several
previous books on psychoactive plants have become classics on this
subject. While valuable historic additions to the library, they
must now move over. This encyclopedia is truly destined to be the
most authoritative reference on natural psychoactive substances for
years to come.”
*Mark Blumenthal, founder and executive director of the American
Botanical Council, and editor of Her*
“In the realm of psychoactive plants, Christian Rätsch is the
world’s most knowledgeable person. Here is his magnum opus--a
veritable treasure trove of information about the most fascinating
members of the plant kingdom. As the “teachers” and the gatekeepers
to the spirit world, psychoactives help us cleanse the lenses of
perception. No one interested in natural ways to expand
consciousness should be without this magnificent volume.”
*Ralph Metzner, PH.D., psychologist, author of Green Psychology,
and coauthor of The Psychedelic Expe*
“Christian Rätsch’s remarkable Encyclopedia of Psychoactive Plants
is an essential and comprehensive work that explores not only the
expanse of plants that affect human consciousness but the genetic
necessity for humanity to experience wide-ranging flexibility in
consciousness. The plant world is basic to us, the foundation of
our food, clothing, and shelter. But Christian’s book reminds us
that human/plant interactions reach much deeper than these three
needs; plant intelligence reaches deep within us and teaches us to
see, hear, and understand the deep meanings in the world, meanings
that we need, and are meant, to encounter in order to remain
human.”
*Stephen Harrod Buhner, author of The Secret Teachings of Plants
and The Lost Language of Plants*
". . . the granddaddy of all drug books."
*Charles Hayes, High Times, Nov 2005*
"A premier work, and important to have and refer to if you have any
relationship to the world of psychoactive plants."
*Mark Stavish, Institute for Hermetic Studies, April 2006*
"This encyclopedia is a large and somewhat intimidating book, but
the format is friendly and embellished by many beautiful
photographs and drawings. . . . this is a major work that will be
an essential reference to those interested in cultural and
historical aspects of psychedelics."
*Herbalgram, No. 79, Aug - Oct 2008*
“This book covers pretty much every psychedelic/psychoactive plant
out there, including several that people may not realize have
psychoactive properties...For anyone interested in learning more
about psychoactive plants this book will likely answer all your
questions and more. It's a great complement to other books on the
subject as well as a stand-alone book for your education on this
expansive and important topic.”
*Entheoradio, August 2013*
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