| 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. |
| 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, preperation and use of entheogenic, hallucinogenic and psychoactive plants. |
| The Mad Hatter | | Guide to entheogen use; includes essays and information on drug laws and suppliers. |
| 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. |
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