| Name | Mentzelia tricuspis var. brevicornuta I. M. Johnston |
| Authorship | I. M. Johnston |
| Rank | Variety |
| Placed in | Mentzelia tricuspis A. Gray |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Mentzelia tricuspis var. brevicornuta I. M. Johnston |
| Identification made in | [no date] (4) |