| Calamagrostis canadensis subsp. langsdorffii (Link) Hultén | |
| Publ. & Syn. | Hultén, Acta Univ. Lund., n. s., sect. 2, 38, 1: 161 (1942). - Arundo langsdorffii Link, Enum. Hort. Berol. Alt. 1: 74 (1821). Holotype (B): Alaska: the Aleutian Islands, "Unalaschka", cult. in Berlin. - Calamagrostis langsdorffii (Link) Trin., Gram. Unifl. Sesquifl.: 225 (1824). - Calamagrostis canadensis var. langsdorffii (Link) Inman, Rhodora 24: 143 (1922). - Calamagrostis purpurea subsp. langsdorffii (Link) Tzvelev, Novosti Sist. Vyssh. Rast. 1965: 34 (1965). |
| Chromosomes | (1) 42 (6x). - Siberia, Far East (N, S). - Several reports. (2) 50-52. - Far East (S), Greenland. - At least two reports. (3) 56 (8x). - Far East (N, S), U.S.A. (NE), Greenland. - Numerous reports. (4) ca. 59-64 (ca. 8-9x). - Far East (Japan). - Two reports. (5) 70 (10x). - Far East (N). - Sokolovskaya and Probatova (1977). Not included: Reports of tetraploids listed under this name by Greene (1980), all from the Pacific areas, are transferred to C. angustifolia-tenuis. |
| Geography | Nearly circumboreal-polar: RUS SIB RFE ALA CAN GRL. |
| Distribution | N = F AN = f AO = s C = ? GW = f D = S E = F CC = s YG = s HL = s CE = r CS = s UN = s YK = r AW = f GE = r Kh = s CW = r Tm = s KP = r [ key ] |
| Parent taxon | Calamagrostis canadensis (Michx.) P. Beauv. |
| PAF ID | 342012b |