| 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) |