| Name | Penstemon buckleyi Pennell |
| Authorship | Pennell |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Citation | 1922 Proc. Acad. Nat. Sci. Philadelphia 73(3B): 486 |
| Holdings | 19 Specimens held in the Harvard University Herbaria identified as Penstemon buckleyi Pennell |
| Identification made in | [no date] (14), 1931 (2), 1932 (2), 1975 (1) |
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