| Name | Penstemon comarrhenus A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:808052-1 |
| Citation | 1877 Proc. Amer. Acad. Arts 12: 81 |
| Holdings | 38 Specimens held in the Harvard University Herbaria identified as Penstemon comarrhenus A. Gray |
| Identification made in | [no date] (29), 1930 (6), 1946 (2), 1987 (1) |
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