| Name | Mentzelia hirsutissima var. stenophylla (Urban & Gilg) I. M. Johnston |
| Authorship | (Urban & Gilg) I. M. Johnston |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Mentzelia hirsutissima S. Watson |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mentzelia hirsutissima var. stenophylla (Urban & Gilg) I. M. Johnston |
| Identification made in | [no date] (1) |
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