| Tephroseris frigida (Richardson) Holub | |
| Publ. & Syn. | Holub, Folia Geobot. Phytotax. 8: 173 (1973). - Cineraria frigida Richardson in Franklin, Narr. Journey Polar Sea (Bot. App.): 748 (1823). Described from "Barren Grounds from Point Lake to the Arctic Sea", Nunavut (Canada). - Senecio frigidus (Richardson) Less., Linnaea 6: 289 (1831). - Senecio atropurpureus subsp. frigidus (Richardson) Hultén, Acta Univ. Lund., n. s., sect. 2, 46, 1: 1605 (1950). - Tephroseris atropurpurea subsp. frigida (Richardson) Á. Löve & D. Löve, Bot. Not. 128: 520 (1976). |
| Chromosomes | (1) 48 (2x, x = 24). - Far East (N), Alaska. - At least four reports, one Alaskan for Senecio atropurpureus. (2) ca. 80 (4x, x = 20). - Far East (Wrangel Island). - Zhukova et al. (1973). (3) 96 (4x, x = 24). - Far East (N), Alaska. - At least four reports, one Alaskan for Senecio atropurpureus. |
| Geography | Amphi-Beringian - North American (NW): RFE ALA CAN. |
| Distribution | N = F AN = f C = R D = F E = F CC = s WI = f CE = f CS = s AW = f CW = f [ key ] |
| Parent taxon | Tephroseris (Rchb.) Rchb. |
| PAF ID | 862809 |