| Name | Penstemon laetus var. sagittatus (D. D. Keck) McMinn |
| Authorship | (D. D. Keck) McMinn |
| Rank | Variety |
| Placed in | Penstemon laetus A. Gray |
| Citation | 1939 Man. Calif. Shrubs 518 |
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Penstemon laetus var. sagittatus (D. D. Keck) McMinn |
| Identification made in | [no date] (21) |