| Name | Penstemon laricifolius subsp. exilifolius (A. Nelson) D. D. Keck |
| Authorship | (A. Nelson) D. D. Keck |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Penstemon laricifolius Hooker & Arnott |
| GUID | urn:lsid:ipni.org:names:187590-2 |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Penstemon laricifolius subsp. exilifolius (A. Nelson) D. D. Keck |
| Identification made in | [no date] (16) |
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