| Name | Ranunculus bonariensis var. januarii Urban |
| Authorship | Urban |
| Rank | Variety |
| Placed in | Ranunculus bonariensis Poiret |
| Citation | Feb 1882 Linnaea 43 (5-6): 256 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ranunculus bonariensis var. januarii Urban |
| Identification made in | [no date] (2) |