| Name | Geranium nyassense R. Knuth |
| Authorship | R. Knuth |
| Rank | Species |
| Placed in | Geranium Linnaeus |
| Citation | 1922 Repert. Spec. Nov. Regni Veg. 18: 289 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Geranium nyassense R. Knuth |
| Identification made in | [no date] (1) |