| Name | Penstemon barrettiae A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:187206-2 |
| Citation | 1886 Syn. Fl. N. Amer. (ed. 2) 440 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Penstemon barrettiae A. Gray |
| Identification made in | [no date] (6) |
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