| Name | Geranium onaei f. yezoense (H. Hara) Yonekura |
| Authorship | (H. Hara) Yonekura |
| Rank | Forma |
| Placed in | Geranium onaei Franch. & Sav. |
| Citation | 2005 J. Jap. Bot. 80(6): 325 (-326) |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Geranium onaei f. yezoense (H. Hara) Yonekura |
| Identification made in | [no date] (1) |