| Name | Penstemon tubaeflorus Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon tubaeflorus var. achoreus Fernald |
| Citation | 1835 Trans. Amer. Philos. Soc. ser. 2, 5: 181 |
| Holdings | 72 Specimens held in the Harvard University Herbaria identified as Penstemon tubaeflorus Nuttall |
| Identification made in | [no date] (70), 1930 (1), 1939 (1) |
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