| Name | Ranunculus flammula var. angustifolius Wallroth |
| Authorship | Wallroth |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Ranunculus flammula Linnaeus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ranunculus flammula var. angustifolius Wallroth |
| Identification made in | [no date] (1), 1917 (1) |