| Name | Penstemon degeneri Crosswhite |
| Authorship | Crosswhite |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Citation | 1965 Amer. Midl. Naturalist, Monogr. 74: 434 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon degeneri Crosswhite |
| Identification made in | [no date] (1) |
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