Daniel Siebert

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Daniel J. Siebert is an ethnobotanist, pharmacognosist, and author who lives in Southern California.[1]

Siebert has studied Salvia divinorum for over twenty years and was the first person to unequivocally identify (by human bioassays in 1993[2]) Salvinorin A as the primary psychoactive principal of Salvia divinorum.[1][3] In 1998, Siebert appeared in the documentary Sacred Weeds shown in the United Kingdom.[1] He has discussed Salvia divinorum on National Public Radio,[4] Fox News, CNN,[5] Telemundo and his comments have appeared in the Los Angeles Times, USA Today, and The New York Times.[1]

In 2002, Siebert wrote a letter to the United States Congress in which he objected to bill H.R. 5607 introduced by Rep. Joe Baca (D-California) which sought to place Salvia divinorum in Schedule I of the Controlled Substances Act.[6]


  1. ^ a b c d "Daniel J Siebert's Home Page". Retrieved 2015-04-21. 
  2. ^ "Ska Pastora -- Leaves of the Sherpherdess" (Conference at Breitenbush Hot Springs, by Ian Soutar). MAPS: Multidisciplinary Association for Psychedelic Studies. 2000-12-07. Retrieved 2009-10-09. 
  3. ^ Marushia, Robin (June 2003). "Salvia divinorum: The Botany, Ethnobotany, Biochemistry and Future of a Mexican Mint" (PDF). Ethnobotany. Archived from the original (– Scholar search) on October 7, 2007. Retrieved 2007-05-04.  Check date values in: |year= / |date= mismatch (help)[dead link]
  4. ^ Schaper, David (2006-03-20). "Legal, Herbal Hallucinogenic Draws Teens, Critics". NPR. Retrieved 2007-07-24. 
  5. ^ "New Recreational Drug Poses Questions For DEA" (Interview by Anderson Cooper). CNN. 2003-06-24. Retrieved 2007-07-24. 
  6. ^ Siebert, Daniel. "Daniel Siebert's letter to Congress". CognitiveLiberty.org. Retrieved 2006-12-05. 

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