Datura quids at Pinwheel Cave, California, provide unambiguous confirmation of the ingestion of hallucinogens at a rock art site.
Robinson DW, Brown K, McMenemy M, Dennany L, Baker MJ, Allan P, Cartwright C, Bernard J, Sturt F, Kotoula E, Jazwa C, Gill KM, Randolph-Quinney P, Ash T, Bedford C, Gandy D, Armstrong M, Miles J, Haviland D.
Robinson DW, et al.
Proc Natl Acad Sci U S A. 2020 Dec 8;117(49):31026-31037. doi: 10.1073/pnas.2014529117. Epub 2020 Nov 23.
Proc Natl Acad Sci U S A. 2020.
PMID: 33229522
Free PMC article.