| Name | Penstemon humilis subsp. humilis |
| Authorship | |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Penstemon humilis Nuttall ex A. Gray |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon humilis subsp. humilis |
| Identification made in | [no date] (1) |
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