| Name | Penstemon paysoniorum D. D. Keck |
| Authorship | D. D. Keck |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Citation | 1947 Leafl. W. Bot. 5: 57 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Penstemon paysoniorum D. D. Keck |
| Identification made in | [no date] (1), 1969 (4) |
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