| Name | Penstemon inflatus Crosswhite |
| Authorship | Crosswhite |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Citation | 1965 Amer. Midl. Naturalist, Monogr. 74: 436 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Penstemon inflatus Crosswhite |
| Identification made in | 1969 (2) |
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