| Name | Penstemon azureus Bentham |
| Authorship | Bentham |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon azureus var. ambiguus A. Gray Penstemon azureus var. angustissimus A. Gray Penstemon azureus var. parvulus A. Gray |
| GUID | urn:lsid:ipni.org:names:808007-1 |
| Citation | 1849 Pl. Hartw. 327 |
| Holdings | 59 Specimens held in the Harvard University Herbaria identified as Penstemon azureus Bentham |
| Identification made in | [no date] (59) |
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