Blas Pablo Reko confirms the existence of teonanacátl as the psilocybin mushroom, refuting the scholarly misunderstanding of that time that teonanacátl was peyote.
Blas Pablo Reko Confirms that Teonanacatl is Psilocybin Mushrooms
Blas Pablo Reko confirms teonanacátl as a psilocybin mushroom, not peyote.