| 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) |