| 1 | Native | Northern America | Eastern Canada | Canada | New Brunswick | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Eastern Canada | Canada | Newfoundland and Labrador | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Eastern Canada | Canada | Nova Scotia | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Eastern Canada | Canada | Ontario | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Eastern Canada | Canada | Prince Edward Island | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Eastern Canada | Canada | Québec | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | n. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | n.e. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | n.w. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Minnesota | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | w. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | North Dakota | e. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | South Dakota | w. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Wisconsin | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Connecticut | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | n. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Maine | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Massachusetts | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Jersey | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | n. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | e. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Colorado | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Idaho | n. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Montana | n.w. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Oregon | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Washington | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Wyoming | s.e. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | California | n. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Subarctic America | Canada | Northwest Territories | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Subarctic America | Canada | Yukon | s.e. | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Western Canada | Canada | Alberta | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Western Canada | Canada | British Columbia | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Western Canada | Canada | Manitoba | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | Western Canada | Canada | Saskatchewan | | FNA Editorial Committee. 1993-. Flora of North America. |
| 2 | Cultivated | | | | | also cult. | Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening |