| Arnica angustifolia subsp. angustifolia | |
| Publ. & Syn. | Arnica alpina subsp. angustifolia (Vahl) Maguire, Madroño 6: 153 (1942). |
| Notes | Subspecies angustifolia (s. str.) is the major arctic North American race from northern Alaska east to Greenland and reaching across to Europe in Svalbard. Hultén (1968a) mapped one locality on the Chukchi Peninsula. Hultén and Fries (1986) assigned this record to subsp. iljinii and Barkalov (1992) accepted only Arnica iljinii from the Russian Far East. |
| Chromosomes | (1) 38 (2x). - Alaska, Canada (Yukon). - Wolf (1980, two counts); Downie (1988, 15 counts). (2) 56 57 (3x). - Europe (N), Alaska, Canada, Greenland. - Several reports. (3) 76 (4x). - Alaska, Greenland. - At least three reports. (4) 95 (5x). - Downie (1988). Note that diploids may be restricted to American Beringia. |
| Geography | North American (N) - amphi-Atlantic (W): NOR ALA CAN GRL. |
| Distribution | N = F AN = s B = ? C = S GW = f D = F E = F CC = f HL = s EP = r AW = s GE = r SF = s [ key ] |
| Parent taxon | Arnica angustifolia Vahl |
| PAF ID | 861201a |