| Juncus arcticus Willd. | |
| Publ. & Syn. | Willd., Sp. Pl. 2, 1: 206 (1799). Holotype (B-W6865): Scandinavia, "in alpibus Norvegiae, Lapponiae", leg. Vahl. |
| Notes | We follow Kirschner et al. (2002c) and accept two subspecies of Juncus arcticus: a widely amphi-Atlantic subsp. arcticus and a widely amphi-Beringian subsp. alaskanus. There may be transitions between subsp. arcticus and subsp. alaskanus in Canada and northeastern Asia. |
| Chromosomes | 60. - Far East (N). - Probatova and Sokolovskaya (1983b). |
| Geography | Circumpolar-alpine. |
| Parent taxon | Juncus L. |
| Child taxa |
Juncus arcticus subsp. alaskanus Hultén Juncus arcticus subsp. arcticus Juncus arcticus subsp. intermedius Hyl. |
| PAF ID | 320125 |