| Name | Ranunculus vernyi var. japonicus Nakai |
| Authorship | Nakai |
| Rank | Variety |
| Placed in | Ranunculus vernyi Franchet & Savatier |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ranunculus vernyi var. japonicus Nakai |
| Identification made in | 1938 (2) |