| Juncus alpinoarticulatus subsp. americanus (Farw.) Hämet-Ahti | |
| Publ. & Syn. | Hämet-Ahti, Ann. Bot. Fenn. 23: 277 (1986). - Juncus alpinus var. americanus Farw., Amer. Midl. Naturalist 11: 74 (1928). Holotype: U.S.A.: Michigan, Keeweenaw Co., Clifton, 1894, leg. O.A. Farwell 837a. |
| Chromosomes | 40. - Europe, Siberia, Canada, U.S.A., Greenland. - Numerous reports, partly for "alpestris" (Greenland, Scandinavia), "americanus" (North America), "nodulosus" (Canada), and "rariflorus" (northwestern Europe). Not included: A report of 2n = 80 from Finland (Vaarama in Löve and Löve 1948, for subsp. nodulosus). This number is more typical of J. articulatus and the voucher (if there is any) should be checked. |
| Geography | Amphi-Beringian - North American (N): RFE ALA CAN GRL. |
| Distribution | N = F AN = r GW = r E = S CC = r HL = s CE = s AW = r [ key ] |
| Parent taxon | Juncus alpinoarticulatus Chaix |
| PAF ID | 320111b |