| Name | Penstemon eriantherus var. grandis Pennell & D. D. Keck |
| Authorship | Pennell & D. D. Keck |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon eriantherus Pursh |
| GUID | urn:lsid:ipni.org:names:187376-2 |
| Citation | 1938 Bull. Torrey Bot. Club 65: 251 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Penstemon eriantherus var. grandis Pennell & D. D. Keck |
| Identification made in | [no date] (5) |
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