| Name | Penstemon davidsonii var. menziesii (D. D. Keck) Cronquist |
| Authorship | (D. D. Keck) Cronquist |
| Rank | Variety |
| Placed in | Penstemon davidsonii Greene |
| Citation | 1959 Vasc. Pl. Pacif. N. W. 4: 379 |
| Holdings | 33 Specimens held in the Harvard University Herbaria identified as Penstemon davidsonii var. menziesii (D. D. Keck) Cronquist |
| Identification made in | [no date] (33) |