| Name | Penstemon similis A. Nelson |
| Authorship | A. Nelson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:187773-2 |
| Citation | 1898 Bull. Torrey Bot. Club 25: 548 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Penstemon similis A. Nelson |
| Identification made in | [no date] (2) |
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