| Canada | | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| Canada | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| Canada | | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| Canada | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Ontario | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| Canada | Quebec | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| 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. | 933 pp |
| Canada | Quebec | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | | | 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 | | | Small, J. K. | 1933 | (none) | Man. S.E. Fl. | i–xxii, 1–1554 |
| United States | | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | Alabama | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | Alabama | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | Arkansas | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | Arkansas | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Arkansas | | Small, J. K. | 1933 | (none) | Man. S.E. Fl. | i–xxii, 1–1554 |
| United States | Connecticut | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Delaware | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | Delaware | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Delaware | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Georgia | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | Georgia | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | Georgia | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Georgia | | Small, J. K. | 1933 | (none) | Man. S.E. Fl. | i–xxii, 1–1554 |
| United States | Illinois | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Indiana | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Iowa | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Kansas | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Kentucky | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | Kentucky | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Kentucky | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | Kentucky | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Maine | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | Maine | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Maine | | Small, J. K. | 1933 | (none) | Man. S.E. Fl. | i–xxii, 1–1554 |
| United States | Maine | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | Maine | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Maryland | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Maryland | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Massachusetts | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Michigan | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | Michigan | | Voss, E. G. | 1985 | Michigan Flora. Part II Dicots (Saururaceae-Cornaceae) | Bull. Cranbrook Inst. Sci. | 59. xix + 724 |
| United States | Michigan | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Minnesota | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | Minnesota | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Minnesota | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Minnesota | | Small, J. K. | 1933 | (none) | Man. S.E. Fl. | i–xxii, 1–1554 |
| United States | Minnesota | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Missouri | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Missouri | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | Missouri | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Montana | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | Nebraska | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Nebraska | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | New Hampshire | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | New Jersey | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | New York | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | New York | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | North Carolina | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | North Carolina | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | North Carolina | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | North Carolina | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Ohio | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Oklahoma | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Pennsylvania | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Rhode Island | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Tennessee | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Tennessee | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | Tennessee | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | Tennessee | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Vermont | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Virginia | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | Virginia | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Virginia | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | West Virginia | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 2. 655 pp |
| United States | West Virginia | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | West Virginia | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | West Virginia | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Wisconsin | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |