| Clue | Source | Date |
|---|---|---|
| Sources of mescal buttons | Universal | 29 Dec 2018 |
| Desert hallucinogens | Wall Street Journal | 30 Jul 2018 |
| Sources of mescal buttons | ||
| Desert hallucinogens | ||
| Hallucinogens from cacti | Wall Street Journal | 15 May 2017 |
| Sources of mescaline | New York Times | 04 Sep 2016 |
| Sources of mescaline | ||
| Mescaline sources | ||
| Mexican cacti | ||
| Vision quest cacti | ||
| Cacti used for hallucinogens | ||
| Mexican cacti | ||
| Mexican cacti | ||
| Mescaline cacti |