| Name | Penstemon glaber var. glaber |
| Authorship | |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Penstemon glaber Pursh |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Penstemon glaber var. glaber |
| Identification made in | [no date] (3) |