Council on Spiritual Practices - Entheogens - The purpose of the Entheogen Project is to systematically gather knowledge about the immediate and long-term effects of entheogen use. Includes essays and an annotated list of topical books.
Entheogen Dot - Online community, and an information resource with a focus on shamanic plants.
The Mad Hatter - Guide to entheogen use; includes essays and information on drug laws and suppliers.
Peyote51 - Features information on the history and chemistry of this plant, and links to related sites. Also offers for sale peyote cacti.
Plot55.com - Provides information on the cultivation, preparation and use of entheogenic, hallucinogenic and psychoactive plants.
Wasiwaska - Center of studies for ayahuasca, the sacred brew of Amazonian shamans. Includes information about the center, and their seminars and presenters. Located in Brazil.
