| Name | Penstemon kralii D. Estes |
| Authorship | D. Estes |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Citation | 2012 J. Bot. Res. Inst. Texas 6(1): 1 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Penstemon kralii D. Estes |
| Identification made in | [no date] (2), 2012 (1) |