| Name | Penstemon smallii A. Heller |
| Authorship | A. Heller |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Citation | 1894 Bull. Torrey Bot. Club 21(1): 25 |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Penstemon smallii A. Heller |
| Identification made in | [no date] (20) |
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