| Name | Penstemon variabilis Suksdorf |
| Authorship | Suksdorf |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:808336-1 |
| Citation | 1900 Deutsche Bot. Monatsschr. 18: 153 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon variabilis Suksdorf |
| Identification made in | [no date] (1) |