Canada | | | Gleason, H. A. | 1968 | The Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
Canada | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
Canada | | | Small, J. K. | 1933 | (none) | Man. S.E. Fl. | i–xxii, 1–1554 |
Canada | | | Standley, P. C. & J. A. Steyermark | 1952 | Salicaceae. En: Standley, P.C. & Steyermark, J.A. (eds.), Flora of Guatemala - Part III | Fieldiana, Bot. | 24(3): 342–348 |
China | Gansu | | Flora of China Editorial Committee | 1999 | Flora of China (Cycadaceae through Fagaceae) | Fl. China | 4: 1–453 |
China | Nei Mongol Zizhiqu | | Flora of China Editorial Committee | 1999 | Flora of China (Cycadaceae through Fagaceae) | Fl. China | 4: 1–453 |
China | Qinghai | | Flora of China Editorial Committee | 1999 | Flora of China (Cycadaceae through Fagaceae) | Fl. China | 4: 1–453 |
China | Xinjiang Uygur | | Flora of China Editorial Committee | 1999 | Flora of China (Cycadaceae through Fagaceae) | Fl. China | 4: 1–453 |
China | Xizang Zizhiqu | | Flora of China Editorial Committee | 1999 | Flora of China (Cycadaceae through Fagaceae) | Fl. China | 4: 1–453 |
Guatemala | | | Standley, P. C. & J. A. Steyermark | 1952 | Salicaceae. En: Standley, P.C. & Steyermark, J.A. (eds.), Flora of Guatemala - Part III | Fieldiana, Bot. | 24(3): 342–348 |
Guatemala | Quetzaltenango | | Standley, P. C. & J. A. Steyermark | 1952 | Salicaceae. En: Standley, P.C. & Steyermark, J.A. (eds.), Flora of Guatemala - Part III | Fieldiana, Bot. | 24(3): 342–348 |
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. South 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 Choripetalous Dicotyledoneae | Ill. Fl. N.E. U.S. | vol. 2. 655 pp |
United States | | | Standley, P. C. & J. A. Steyermark | 1952 | Salicaceae. En: Standley, P.C. & Steyermark, J.A. (eds.), Flora of Guatemala - Part III | Fieldiana, Bot. | 24(3): 342–348 |
United States | | | Small, J. K. | 1933 | (none) | Man. S.E. Fl. | i–xxii, 1–1554 |
United States | | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
United States | Georgia | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
United States | Kentucky | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
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 | Tennessee | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
United States | Virginia | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
United States | West Virginia | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |