| Name | Penstemon attenuatus subsp. hyacinthinus Pennell |
| Authorship | Pennell |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon attenuatus Douglas ex Lindley |
| GUID | urn:lsid:ipni.org:names:187168-2 |
| Citation | 1941 Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 8 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Penstemon attenuatus subsp. hyacinthinus Pennell |
| Identification made in | [no date] (9) |
Copyright © 2013 The President and Fellows of Harvard College | Accessibility