| Name | Penstemon navajoa N. H. Holmgren |
| Authorship | N. H. Holmgren |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:187515-2 |
| Citation | 1978 Brittonia 30: 419 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Penstemon navajoa N. H. Holmgren |
| Identification made in | [no date] (1), 1979 (1) |