| Name | Penstemon davidsonii Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon davidsonii var. menziesii (D. D. Keck) Cronquist Penstemon davidsonii var. praeteritus Cronquist |
| GUID | urn:lsid:ipni.org:names:187328-2 |
| Holdings | 86 Specimens held in the Harvard University Herbaria identified as Penstemon davidsonii Greene |
| Identification made in | [no date] (66), 1977 (20) |