| Name | Penstemon metcalfei Wooton & Standley |
| Authorship | Wooton & Standley |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Citation | 1909 Torreya 9: 145 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Penstemon metcalfei Wooton & Standley |
| Identification made in | [no date] (2) |
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