| 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) | 
