| Canada | | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| Canada | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| Canada | British Columbia | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | British Columbia | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| Canada | Newfoundland | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Newfoundland | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| Canada | Nova Scotia | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Ontario | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | Georgia | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Georgia | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Illinois | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | Illinois | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Indiana | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Iowa | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Michigan | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | Minnesota | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Missouri | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Nebraska | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | New Jersey | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | New Jersey | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | New Jersey | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | New Mexico | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | New York | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | North Carolina | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | North Dakota | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Ohio | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Pennsylvania | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | Pennsylvania | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Tennessee | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Texas | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Texas | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Utah | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Virginia | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | Washington | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Wisconsin | | Gleason, H. A. & A.J. Cronquist | 1991 | (none) | Man. Vasc. Pl. N.E. U.S. (ed. 2) | i–910 |
| United States | Wyoming | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |