| Name | Penstemon leptanthus Pennell |
| Authorship | Pennell |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:808173-1 |
| Citation | 1920 Contr. U.S. Natl. Herb. 20: 339 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon leptanthus Pennell |
| Identification made in | [no date] (1) |