The Peyote Foundation
   Dedicated to the protection and promotion of the peyote cactus and its sacramental use.
   http://www.peyote.net/

União do Vegetal
   Personal account of a Unaio do Vegetal service from a book about spiritual uses of psychoactives by Nicholas Saunders
   http://www.csp.org/nicholas/vegetal.html

Web of Possibilities
   Contains historical information and other resources on the use of hallucinogens for spiritual awakening and growth. Includes bibliographies on the use of hallucinogens in shamanic religions.
   http://www.well.com/user/dpd/webposse.html