| 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 | Québec | s.w. | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Minnesota | | Ownbey, G. B. & T. Morley. 1991. Vascular plants of Minnesota: a checklist and atlas |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | | Steyermark, J. A. 1977. Flora of Missouri. |
| 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 | North-Central U.S.A. | United States | South Dakota | s.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 | Wisconsin | | |
| 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 | 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 | n. & w. | Ohio Flora Committee (E. L. Braun, T. S. Cooperrider, T. R. Fisher, J. J. Furlow). 1967-. The vascular flora of Ohio. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | | Rhoads, A. F. & T. A. Block. 2000. The plants of Pennsylvannia. An illustrated manual |
| 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 | e. | Strausbaugh, T. D. & E. L. Core. 1978. Flora of West Virginia, ed. 2. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | | Smith, E. B. 1978. An atlas and annotated list of the vascular plants of Arkansas |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | | Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Maryland | w. | Brown, R. G. & M. L. Brown. 1972. Woody plants of Maryland |
| 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 | Tennessee | e. | 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 | Western Canada | Canada | Manitoba | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |