| Name | Penstemon gracilis Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon gracilis f. scoggansii B. Boivin Penstemon gracilis var. wisconsinensis (Pennell) Fassett |
| GUID | urn:lsid:ipni.org:names:808122-1 |
| Holdings | 78 Specimens held in the Harvard University Herbaria identified as Penstemon gracilis Nuttall |
| Identification made in | [no date] (65), 1930 (10), 1934 (2), 1937 (1) |
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