| Name | Euphorbia yaquiana Tidestrom |
| Authorship | Tidestrom |
| Rank | Species |
| Placed in | Euphorbia Linnaeus |
| Citation | 1935 Proc. Biol. Soc. Washington 48(9): 41 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia yaquiana Tidestrom |
| Identification made in | 2012 (1), 2017 (1) |