| Name | Penstemon wilcoxii Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:187864-2 |
| Holdings | 69 Specimens held in the Harvard University Herbaria identified as Penstemon wilcoxii Rydberg |
| Identification made in | [no date] (69) |