| Name | Penstemon leiophyllus Pennell |
| Authorship | Pennell |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon leiophyllus subsp. francisci-pennellii (Crosswhite) N. H. Holmgren Penstemon leiophyllus subsp. keckii (Clokey) N. H. Holmgren |
| GUID | urn:lsid:ipni.org:names:808169-1 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Penstemon leiophyllus Pennell |
| Identification made in | [no date] (3), 1969 (9) |