| Name | Penstemon attenuatus var. militaris (Greene) Cronquist |
| Authorship | (Greene) Cronquist |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Penstemon attenuatus Douglas ex Lindley |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Penstemon attenuatus var. militaris (Greene) Cronquist |
| Identification made in | [no date] (13) |