| Name | Penstemon superbus A. Nelson |
| Authorship | A. Nelson |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:187802-2 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Penstemon superbus A. Nelson |
| Identification made in | [no date] (2), 1937 (1), 1965 (2), 1969 (1), 1974 (5) |
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