| Caribbean | Cuba | | Legrand, C. D. | 1962 | Las especies americanas de Portulaca | Anales Mus. Hist. Nat. Montevideo | 7(3): 1–147, t. I–XXIX |
| Caribbean | Jamaica | | Legrand, C. D. | 1962 | Las especies americanas de Portulaca | Anales Mus. Hist. Nat. Montevideo | 7(3): 1–147, t. I–XXIX |
| Caribbean | Leeward Islands | Montserrat | Legrand, C. D. | 1962 | Las especies americanas de Portulaca | Anales Mus. Hist. Nat. Montevideo | 7(3): 1–147, t. I–XXIX |
| Caribbean | Leeward Islands | St. Barthelemy | Legrand, C. D. | 1962 | Las especies americanas de Portulaca | Anales Mus. Hist. Nat. Montevideo | 7(3): 1–147, t. I–XXIX |
| Caribbean | Puerto Rico | | Legrand, C. D. | 1962 | Las especies americanas de Portulaca | Anales Mus. Hist. Nat. Montevideo | 7(3): 1–147, t. I–XXIX |
| Caribbean | Trinidad & Tobago | | Legrand, C. D. | 1962 | Las especies americanas de Portulaca | Anales Mus. Hist. Nat. Montevideo | 7(3): 1–147, t. I–XXIX |
| Caribbean | Virgin Islands | | Legrand, C. D. | 1962 | Las especies americanas de Portulaca | Anales Mus. Hist. Nat. Montevideo | 7(3): 1–147, t. I–XXIX |
| China | Guangdong | | Flora of China Editorial Committee | 2003 | Flora of China (Ulmaceae through Basellaceae) | Fl. China | 5: 1–506 |
| China | Hainan | | Flora of China Editorial Committee | 2003 | Flora of China (Ulmaceae through Basellaceae) | Fl. China | 5: 1–506 |
| China | Taiwan | | Flora of China Editorial Committee | 2003 | Flora of China (Ulmaceae through Basellaceae) | Fl. China | 5: 1–506 |
| China | Yunnan | | Flora of China Editorial Committee | 2003 | Flora of China (Ulmaceae through Basellaceae) | Fl. China | 5: 1–506 |
| Guyana | | | Legrand, C. D. | 1962 | Las especies americanas de Portulaca | Anales Mus. Hist. Nat. Montevideo | 7(3): 1–147, t. I–XXIX |
| Guyana | | | Funk, V. A., T. H. Hollowell, P. E. Berry, C. L. Kelloff & S. Alexander | 2007 | Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana) | Contr. U.S. Natl. Herb. | 55: 1–584 |
| 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. | |