| Name | Potentilla ×polyjosephiana H. Ikeda & H. Ohba |
| Authorship | H. Ikeda & H. Ohba |
| Rank | Species |
| Placed in | Potentilla |
| Citation | 1993 Bot. J. Linn. Soc. 112(2): 183 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Potentilla ×polyjosephiana H. Ikeda & H. Ohba |
| Identification made in | [no date] (1), 1992 (1), 2015 (1) |