| Name | Mentzelia arborescens Urban & Gilg |
| Authorship | Urban & Gilg |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Mentzelia Linnaeus |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mentzelia arborescens Urban & Gilg |
| Identification made in | [no date] (1) |