| Name | Penstemon spectabilis Thurber ex A. Gray |
| Authorship | Thurber ex A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon spectabilis subsp. subintegris D. D. Keck Penstemon spectabilis var. subviscosus (D. D. Keck) McMinn |
| Citation | 1857 Pacific Railr. Rep. 4, Pt. 5, No. 4 (Whipple) 119 |
| Holdings | 38 Specimens held in the Harvard University Herbaria identified as Penstemon spectabilis Thurber ex A. Gray |
| Identification made in | [no date] (38) |
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