REFERENCES
- Johnson , J. B. 1940 . Note on the discovery of . Teonanacatl. American Anthropologist , Vol. 42 : 449 – 450 .
- Schultes , R. E. 1939 . Plantae Mexicane. II. The identification of teonanacatl, a narcotic Basidiomycete of the Aztecs . Harvard Botanical Museum Leaflets , Vol. 7 ( 3 ) : 37 – 56 .