| Name | Penstemon humilis var. obtusifolius (Pennell) Reveal |
| Authorship | (Pennell) Reveal |
| Rank | Variety |
| Placed in | Penstemon humilis Nuttall ex A. Gray |
| Citation | 1976 Great Basin Naturalist 35(4): 369 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Penstemon humilis var. obtusifolius (Pennell) Reveal |
| Identification made in | [no date] (5) |
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