| Name | Penstemon richardsonii var. curtiflorus (D. D. Keck) Cronquist |
| Authorship | (D. D. Keck) Cronquist |
| Rank | Variety |
| Placed in | Penstemon richardsonii Douglas ex Lindley |
| Citation | 1959 Vasc. Pl. Pacif. N. W. 4: 401 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon richardsonii var. curtiflorus (D. D. Keck) Cronquist |
| Identification made in | [no date] (1) |