| 1 | Native | Northern America | Eastern Canada | Canada | New Brunswick | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | Eastern Canada | Canada | Newfoundland and Labrador | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | Eastern Canada | Canada | Nova Scotia | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | Eastern Canada | Canada | Ontario | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | Eastern Canada | Canada | Prince Edward Island | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | Eastern Canada | Canada | Québec | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | | 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 | s.e. | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | e. | 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 | Oklahoma | | 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 | | Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | | Deam, C. C. 1940. Flora of Indiana. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Maine | | Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Massachusetts | | Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | | Voss, E. 1972-. Michigan flora. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Hampshire | | Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | | Wherry, E. T. et al. 1979. Atlas of the flora of Pennsylvania. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Rhode Island | | Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | | Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | West Virginia | | |
| 1 | Native | Northern America | Northern Mexico | Mexico | Baja | | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Colorado | w. | |
| 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 | Montana | | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Oregon | | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Washington | | |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Wyoming | | Dorn, R. D. 1977. Manual of the vascular plants of Wyoming |
| 1 | Native | Northern America | South-Central U.S.A. | United States | New Mexico | | Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | | Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Alabama | | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Florida | | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Maryland | | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Mississippi | | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | North Carolina | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | South Carolina | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Tennessee | | Chester, E. W. et al. 1993-1997. Atlas of Tennessee vascular plants. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Virginia | | |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | California | n. & c. | Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Nevada | n. | Cronquist, A. et al. 1972-. Intermountain flora. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Utah | n. | Welsh, S. L. et al. 1993. A Utah flora. |
| 1 | Native | Northern America | Subarctic America | Canada | Yukon | | Cody, W. J. 1996. Flora of the Yukon Territory. |
| 1 | Native | Northern America | Subarctic America | United States | Alaska | | Welsh, S. L. 1974. Anderson's flora of Alaska and adjacent parts of Canada. |
| 1 | Native | Northern America | Western Canada | Canada | Alberta | s.w. | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | Western Canada | Canada | British Columbia | s. | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | Western Canada | Canada | Saskatchewan | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |