| Name | Penstemon aridus Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:807999-1 |
| Citation | 1900 Mem. New York Bot. Gard. 1: 348 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Penstemon aridus Rydberg |
| Identification made in | [no date] (13) |
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