| Name | Ranunculus acris var. japonicus (Thunberg) Maximowicz |
| Authorship | (Thunberg) Maximowicz |
| Rank | Variety |
| Placed in | Ranunculus acris Linnaeus |
| Citation | 1889 Enum. Pl. Mongolia 1: 21 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Ranunculus acris var. japonicus (Thunberg) Maximowicz |
| Identification made in | [no date] (13) |