| Name | Penstemon cardinalis Wooton & Standley |
| Authorship | Wooton & Standley |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon cardinalis var. regalis (A. Nelson) C. C. Freeman |
| Citation | 1913 Contr. U.S. Natl. Herb. 16: 171 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon cardinalis Wooton & Standley |
| Identification made in | [no date] (1) |
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