Literature Based Distribution
Region
Country
Mapping will be based on a standard reference mark based on political units when available.
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| United States | | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| United States | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
| United States | | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | | | Furlow, J. J. | 1993 | Betulaceae | | 185 pp |
| United States | Delaware | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | 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 | Delaware | | Furlow, J. J. | 1993 | Betulaceae | | 185 pp |
| United States | Maryland | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| 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 | Maryland | | Furlow, J. J. | 1993 | Betulaceae | | 185 pp |
| United States | Oklahoma | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
| United States | Oklahoma | | Flora of North America Editorial Committee, e. | 1997 | Magnoliidae and Hamamelidae | Fl. N. Amer. | 3: i–xxiii, 1–590 |
| United States | Oklahoma | | Furlow, J. J. | 1993 | Betulaceae | | 185 pp |
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