Literature Based Distribution
Region
Country
Mapping will be based on a standard reference mark based on political units when available.
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| Canada | | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 3. 596 pp |
| South Africa | | | Gibbs Russell, G. E., W. G. M. Welman, E. Retief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. Van Wyk & A. Nicholas | 1987 | List of species of southern African plants | Mem. Bot. Surv. S. Africa | 2(1–2): 1–152(pt. 1), 1–270(pt. 2) |
| United States | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | | | Gleason, H. A. | 1968 | The Sympetalous Dicotyledoneae | Ill. Fl. N. U.S. (ed. 3) | vol. 3. 596 pp |
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