| Name | Penstemon gracilentus A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:808121-1 |
| Citation | 1857 Pacific Railr. Rep. 6, Pt. 3, No. 2 (Williamson & Abbot) 82 |
| Holdings | 53 Specimens held in the Harvard University Herbaria identified as Penstemon gracilentus A. Gray |
| Identification made in | [no date] (53) |