| Name | Penstemon tenuifolius Bentham |
| Authorship | Bentham |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:808315-1 |
| Citation | 1839 Pl. Hartw. 22 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon tenuifolius Bentham |
| Identification made in | [no date] (1) |
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