| 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) | 
