| Ranunculus hyperboreus Rottb. | |
| Publ. & Syn. | Rottb., Skr. Kiøbenhavnske Selsk. Lærd. Elsk. 10: 458 (1770). Holotype (C): Iceland, leg. Koenig. |
| Notes | The two major races, subsp. hyperboreus and subsp. arnellii, differ morphologically (see Nilsson 2001a) but are parapatric and with transitional forms, e.g., in coastal northern Norway. Subspecies tricrenatus occurs only locally within the ranges of the others. It is provisionally accepted for reasons given below. |
| Chromosomes | 64 (8x). - Canada. - At least four reports. Not included: A report of 2n = 32 for var. purshii from North America (Löve 1954b, an untrustworthy paper). This report might just as well belong to North American subsp. gmelinii. |
| Geography | Circumpolar-alpine. |
| Parent taxon | Ranunculus L. |
| Child taxa |
Ranunculus hyperboreus subsp. arnellii Scheutz Ranunculus hyperboreus subsp. hyperboreus Ranunculus hyperboreus subsp. tricrenatus (Rupr.) Á. Löve & D. Löve |
| PAF ID | 361206 |