| Name | Penstemon ellipticus Coulter & Fisher |
| Authorship | Coulter & Fisher |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Citation | 1893 Bot. Gaz. 18(8): 302–303 |
| Holdings | 58 Specimens held in the Harvard University Herbaria identified as Penstemon ellipticus Coulter & Fisher |
| Identification made in | [no date] (57), 1975 (1) |