| Name | Geranium knysnaense R. Knuth |
| Authorship | R. Knuth |
| Rank | Species |
| Placed in | Geranium Linnaeus |
| Citation | 1922 Feddes Repert. Spec. Nov. Regni Veg. 18: 292 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Geranium knysnaense R. Knuth |
| Identification made in | [no date] (1), 2021 (1) |