| Name | Penstemon kingii S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:808153-1 |
| Citation | 1871 Botany [Fortieth Parallel] 5: 222 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Penstemon kingii S. Watson |
| Identification made in | [no date] (4) |