| Name | Geranium regale Rydberg ex Hanks & Small |
| Authorship | Rydberg ex Hanks & Small |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Geranium Linnaeus |
| Citation | 1907 N. Amer. Fl. 25: 11 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Geranium regale Rydberg ex Hanks & Small |
| Identification made in | [no date] (1) |