| Name | Penstemon sp. |
| Authorship | |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Holdings | 75 Specimens held in the Harvard University Herbaria identified as Penstemon sp. |
| Identification made in | [no date] (74), 1963 (1) |
| Name | Penstemon sp. |
| Authorship | |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Holdings | 75 Specimens held in the Harvard University Herbaria identified as Penstemon sp. |
| Identification made in | [no date] (74), 1963 (1) |