| Name | Penstemon atwoodii S. L. Welsh |
| Authorship | S. L. Welsh |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Citation | 1976 Great Basin Naturalist 35(4): 378 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon atwoodii S. L. Welsh |
| Identification made in | [no date] (1) |