| 1 | Native | Northern America | Eastern Canada | Canada | New Brunswick | | Hinds, H. R. 2000. Flora of New Brunswick, ed. 2. |
| 1 | Native | Northern America | Eastern Canada | Canada | Newfoundland and Labrador | | Hinds, H. R. 2000. Flora of New Brunswick, ed. 2. |
| 1 | Native | Northern America | Eastern Canada | Canada | Nova Scotia | | Hinds, H. R. 2000. Flora of New Brunswick, ed. 2. |
| 1 | Native | Northern America | Eastern Canada | Canada | Ontario | | Hinds, H. R. 2000. Flora of New Brunswick, ed. 2. |
| 1 | Native | Northern America | Eastern Canada | Canada | Prince Edward Island | | Hinds, H. R. 2000. Flora of New Brunswick, ed. 2. |
| 1 | Native | Northern America | Eastern Canada | Canada | Québec | | Hinds, H. R. 2000. Flora of New Brunswick, ed. 2. |
| 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 Jersey | | Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2 |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | | Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2 |
| 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 | 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 | | Strausbaugh, T. D. & E. L. Core. 1978. Flora of West Virginia, ed. 2. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Colorado | n.w. | Cronquist, A. et al. 1972-. Intermountain flora. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Idaho | | Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Montana | w. | Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Oregon | | Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Washington | | Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Wyoming | w. | Cronquist, A. et al. 1972-. Intermountain flora. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | California | | 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. | Cronquist, A. et al. 1972-. Intermountain flora. |
| 1 | Native | Northern America | Western Canada | Canada | Alberta | s. | Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest. |
| 1 | Native | Northern America | Western Canada | Canada | British Columbia | s. | Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest. |
| 4 | Naturalized | Africa | Southern Africa | South Africa | | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 4 | Naturalized | Australasia | Australia | Australia | | | Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11. |
| 4 | Naturalized | Australasia | New Zealand | New Zealand | | | Allan, H. H. B. et al. 1961-. Flora of New Zealand. |
| 4 | Naturalized | Europe | | Europe | | | |
| 4 | Naturalized | Southern America | Southern South America | Chile | | | |
| 6 | Other | Northern America | | Canada | | possibly natzd. in e. | |
| 6 | Other | Northern America | | United States | | possibly natzd. in e. | |