| Name | Penstemon heterophyllus var. latifolius S. Watson |
| Authorship | S. Watson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon heterophyllus Lindley |
| GUID | urn:lsid:ipni.org:names:187538-2 |
| Citation | 1871 Botany [Fortieth Parallel] 5: 222 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon heterophyllus var. latifolius S. Watson |
| Identification made in | [no date] (1) |
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