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Psilocybe - Wikipedia
Going foraging this autumn? Stay away from those wild mushrooms
Psilocybin Mushrooms: The Next Cannabis?
The Encyclopedia of Psychoactive Plants: Ethnopharmacology and Its Applications: Christian Ratsch, Albert Hofmann (Foreward): 9780892819782: Amazon.com: Books
Mystery of why magic mushrooms go blue solved | Research | Chemistry World
Psilocybe mushrooms
Self-reported negative outcomes of psilocybin users: A quantitative textual analysis | PLOS ONE