| Canada | | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| Canada | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| Canada | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| Canada | Alberta | | 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 | Ontario | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| Canada | Ontario | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| Mexico | | | SPECIMEN BASED RECORD | | Published protolog data | | |
| Mexico | Chihuahua | | Villaseñor Ríos, J. L. | 2016 | Checklist of the native vascular plants of Mexico. Catálogo de las plantas vasculares nativas de México. | Revista Mex. Biodivers. | 87(3): 559–902 |
| Mexico | Sonora | | Villaseñor Ríos, J. L. | 2016 | Checklist of the native vascular plants of Mexico. Catálogo de las plantas vasculares nativas de México. | Revista Mex. Biodivers. | 87(3): 559–902 |
| 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 | | | 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. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| United States | | | Munz, P. A. | 1974 | (none) | Fl. S. Calif. | 1–1086 |
| United States | Alaska | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Alaska | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | Alaska | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| United States | Arizona | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | California | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | California | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | California | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | California | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| United States | California | | Munz, P. A. | 1974 | (none) | Fl. S. Calif. | 1–1086 |
| United States | Colorado | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | Colorado | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | 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 | 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 | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| United States | Montana | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | New Mexico | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |
| United States | South Dakota | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| United States | Wyoming | | Great Plains Flora Association | 1986 | (none) | Fl. Great Plains | i–vii, 1–1392 |