| Name | Penstemon davidsonii var. praeteritus Cronquist |
| Authorship | Cronquist |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon davidsonii Greene |
| GUID | urn:lsid:ipni.org:names:187332-2 |
| Citation | 1964 Leafl. W. Bot. 10: 129 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Penstemon davidsonii var. praeteritus Cronquist |
| Identification made in | [no date] (2) |
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