| 1 | Native | Northern America | Eastern Canada | Canada | New Brunswick | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Eastern Canada | Canada | Newfoundland and Labrador | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Eastern Canada | Canada | Nova Scotia | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Eastern Canada | Canada | Ontario | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Eastern Canada | Canada | Prince Edward Island | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Eastern Canada | Canada | Québec | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | | Crow, G. E. & C. B. Hellquist. 2000. Aquatic and wetland plants of northeastern North America, 2 vols. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Minnesota | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | South Dakota | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Connecticut | | Crow, G. E. & C. B. Hellquist. 2000. Aquatic and wetland plants of northeastern North America, 2 vols. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Maine | | Crow, G. E. & C. B. Hellquist. 2000. Aquatic and wetland plants of northeastern North America, 2 vols. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | | Crow, G. E. & C. B. Hellquist. 2000. Aquatic and wetland plants of northeastern North America, 2 vols. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | | Crow, G. E. & C. B. Hellquist. 2000. Aquatic and wetland plants of northeastern North America, 2 vols. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | West Virginia | | Crow, G. E. & C. B. Hellquist. 2000. Aquatic and wetland plants of northeastern North America, 2 vols. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Colorado | | Crow, G. E. & C. B. Hellquist. 2000. Aquatic and wetland plants of northeastern North America, 2 vols. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Idaho | | Cronquist, A. et al. 1972-. Intermountain flora. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Oregon | | Cronquist, A. et al. 1972-. Intermountain flora. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Wyoming | | Cronquist, A. et al. 1972-. Intermountain flora. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | New Mexico | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Arizona | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | California | | Baldwin, B. G. et al., eds. The Jepson manual: vascular plants of California (on-line resource). |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Nevada | | Cronquist, A. et al. 1972-. Intermountain flora. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Utah | | Cronquist, A. et al. 1972-. Intermountain flora. |
| 1 | Native | Northern America | Subarctic America | Canada | Northwest Territories | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Subarctic America | Canada | Yukon | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Subarctic America | United States | Alaska | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | Western Canada | Canada | Alberta | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Western Canada | Canada | British Columbia | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Western Canada | Canada | Manitoba | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Western Canada | Canada | Nunavut | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 1 | Native | Northern America | Western Canada | Canada | Saskatchewan | | Brouillet, L., F. et al., compilers. 2010. Database of vascular plants of Canada (VASCAN) (on-line resource) |
| 4 | Naturalized | Europe | | Europe | | | Elven, R. et al., eds. Annotated checklist of the panarctic flora (on-line resource). |
| 4 | Naturalized | Europe | Northern Europe | Iceland | | | Elven, R. et al., eds. Annotated checklist of the panarctic flora (on-line resource). |