| Canada | | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
| Canada | | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| Canada | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| Canada | | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| Canada | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Ontario | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| Canada | Quebec | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Quebec | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| Canada | Saskatchewan | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | | | Voss, E. G. | 1985 | Michigan Flora. Part II Dicots (Saururaceae-Cornaceae) | Bull. Cranbrook Inst. Sci. | 59. xix + 724 |
| United States | | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
| United States | | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | | | Keener, C. S. | 1992 | (none) | | |
| United States | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Alabama | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Alabama | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
| United States | Alabama | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | Alabama | | Keener, C. S. | 1992 | (none) | | |
| United States | Arizona | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Arizona | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | Arkansas | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
| United States | Arkansas | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | Delaware | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
| United States | Delaware | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | Delaware | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Delaware | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Illinois | | Keener, C. S. | 1992 | (none) | | |
| United States | Indiana | | Keener, C. S. | 1992 | (none) | | |
| United States | Kansas | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Kentucky | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | Kentucky | | Keener, C. S. | 1992 | (none) | | |
| United States | Michigan | | Voss, E. G. | 1985 | Michigan Flora. Part II Dicots (Saururaceae-Cornaceae) | Bull. Cranbrook Inst. Sci. | 59. xix + 724 |
| United States | Missouri | | Keener, C. S. | 1992 | (none) | | |
| United States | Nevada | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | New Mexico | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
| United States | New Mexico | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | New Mexico | | 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 | Ohio | | Keener, C. S. | 1992 | (none) | | |
| United States | Oklahoma | | Keener, C. S. | 1992 | (none) | | |
| United States | Oregon | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Oregon | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | Pennsylvania | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Pennsylvania | | Keener, C. S. | 1992 | (none) | | |
| United States | Tennessee | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Tennessee | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Tennessee | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | Tennessee | | Keener, C. S. | 1992 | (none) | | |
| United States | Texas | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | Texas | | Keener, C. S. | 1992 | (none) | | |
| United States | Texas | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Texas | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Texas | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
| United States | Virginia | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 1–944 |
| United States | Virginia | | Keener, C. S. | 1992 | (none) | | |