| Name | Penstemon cinereus subsp. foliatus D. D. Keck |
| Authorship | D. D. Keck |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon cinereus Piper |
| GUID | urn:lsid:ipni.org:names:187265-2 |
| Citation | 1945 Amer. Midl. Naturalist 33: 188 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Penstemon cinereus subsp. foliatus D. D. Keck |
| Identification made in | [no date] (5) |