| Carex atrosquama Mack. | |
| Publ. & Syn. | Mack., Proc. Biol. Soc. Wash. 25: 51 (1912). Holotype (US-622651): Canada: Alberta, head of Smoky River, 05. Aug. 1911, leg. I. Hollister. - Carex atrata subsp. atrosquama (Mack.) Hultén, Acta Univ. Lund., n. s., sect. 2, 38, 1: 354 (1942). |
| Notes | Carex atrosquama reaches the Borderline Arctic near Great Bear Lake (Hultén 1968a; Scoggan 1978b; Porsild and Cody 1980). |
| Chromosomes | 48 52 54 56. - Europe, Greenland. - Numerous reports. Not included: Reports of the two deviating, low chromosome numbers of 2n = 18 and 26 (Hadac and Hasková 1956) are discounted as probably belonging to other races or to related species. Several reports of 2n = 48-52, 54, and 56, assigned to C. atrata, are from outside its accepted range (Japan, Siberia) and are omitted. They probably belong to related species, of which there are many. |
| Geography | Cordilleran: (CAN). |
| Distribution | N = F E = b CC = b [ key ] |
| Parent taxon | Carex L. |
| PAF ID | 3309059 |