| Bidens hyperborea Greene | |
| Publ. & Syn. | Greene, Pittonia 4: 257 (1901). Holotype (CAN 12,056): Canada: Quebec, "Rupert House, James' Bay", 05. Sept. 1885, leg. J.M. Macoun. |
| Notes | Strother and Weedon (2006) mapped Bidens hyperborea from Nunavut and northernmost Ontario, i.e., from the Arctic. |
| Chromosomes | (1) 38 (2x). - North America (W). - Ornduff et al. (1967); Keil and Pinkava (1976). (2) 57 60 (3x). - North America (W). - Several reports. (3) ca. 76 (4x). - Canada. - Gervais et al. (1990). |
| Geography | North American (N): CAN. |
| Distribution | N = F E = R HL = r [ key ] |
| Parent taxon | Bidens L. |
| PAF ID | 861301 |