| Name | Penstemon laevigatus var. digitalis (Sweet) A. Gray |
| Authorship | (Sweet) A. Gray |
| Rank | Variety |
| Placed in | Penstemon laevigatus Aiton |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Penstemon laevigatus var. digitalis (Sweet) A. Gray |
| Identification made in | [no date] (2) |
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