| Arnica lonchophylla Greene | |
| Publ. & Syn. | Greene, Pittonia 4: 164 (1900). Holotype (CAN 19,647): Canada: Alberta, on the Athabasca River [probably near Jasper], 25. June 1898, leg. W. Spreadborough. - Arnica angustifolia subsp. lonchophylla (Greene) G.W. Douglas & Ruyle-Douglas, Canad. J. Bot. 56: 1710 (1978). |
| Notes | There are additional races in central and northeastern North America. The inclusion of (also) this species in Arnica angustifolia, proposed by Douglas and Ruyle-Douglas (1978), was not accepted by Scoggan (1979), Cody (1996), nor by Wolf (2006). Wolf did not recognize races in A. lonchophylla. |
| Chromosomes | 56 57 (3x). - Canada (Alberta, Manitoba, Ontario). - Wolf (1980); Morton (1981); Löve and Löve (1982b). |
| Geography | North American (N): CAN. |
| Distribution | N = F E = R CC = b HL = r [ key ] |
| Parent taxon | Arnica L. |
| PAF ID | 861202 |