| 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 | Québec | s. | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | n. | Mohlenbrock, R. H. & D. M. Ladd. 1978. Distribution of Illinois vascular plants |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Connecticut | | Seymour, F. 1969. The flora of New England. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Maine | | Seymour, F. 1969. The flora of New England. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Massachusetts | | Seymour, F. 1969. The flora of New England. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | e. | Voss, E. 1972-. Michigan flora. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Hampshire | | Seymour, F. 1969. The flora of New England. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Jersey | | Seymour, F. 1969. The flora of New England. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | | Seymour, F. 1969. The flora of New England. |
| 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 | | Seymour, F. 1969. The flora of New England. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | | Seymour, F. 1969. The flora of New England. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | West Virginia | | Strausbaugh, T. D. & E. L. Core. 1978. Flora of West Virginia, ed. 2. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | | Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Maryland | | Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | North Carolina | w. | 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 | | Wofford, B. E. Database of Tennessee vascular plants (on-line resource). |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Virginia | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 2 | Cultivated | | | | | also cult. | |