| Brazil | | | Forzza, R. C. | 2010 | (none) | Lista de espécies Flora do Brasil | http://floradobrasil.jbrj.gov.br/2010 |
| Brazil | Amapá | | Maas, P. J. M., L. Y. T. Westra & L. W. Chatrou | 2003 | Duguetia | Fl. Neotrop. Monogr. | 88: 1–276 |
| Brazil | Amazonas | | Maas, P. J. M., L. Y. T. Westra & L. W. Chatrou | 2003 | Duguetia | Fl. Neotrop. Monogr. | 88: 1–276 |
| Brazil | Pará | | Maas, P. J. M., L. Y. T. Westra & L. W. Chatrou | 2003 | Duguetia | Fl. Neotrop. Monogr. | 88: 1–276 |
| French Guiana | | | 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 |
| French Guiana | | | Maas, P. J. M., L. Y. T. Westra & L. W. Chatrou | 2003 | Duguetia | Fl. Neotrop. Monogr. | 88: 1–276 |
| 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 |
| Guyana | | | Maas, P. J. M., L. Y. T. Westra & L. W. Chatrou | 2003 | Duguetia | Fl. Neotrop. Monogr. | 88: 1–276 |
| Suriname | | | Maas, P. J. M., L. Y. T. Westra & L. W. Chatrou | 2003 | Duguetia | Fl. Neotrop. Monogr. | 88: 1–276 |
| Suriname | | | 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 |
| Venezuela | Bolívar | | 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 |
| Venezuela | Bolívar | | Maas, P. J. M., L. Y. T. Westra & L. W. Chatrou | 2003 | Duguetia | Fl. Neotrop. Monogr. | 88: 1–276 |
| Venezuela | Bolívar | | Hokche, O., P. E. Berry & O. Huber | 2008 | (none) | Nuevo Cat. Fl. Vasc. Venez. | 1–859 |
| Venezuela | Delta Amacuro | | Hokche, O., P. E. Berry & O. Huber | 2008 | (none) | Nuevo Cat. Fl. Vasc. Venez. | 1–859 |
| Venezuela | Delta Amacuro | | Maas, P. J. M., L. Y. T. Westra & L. W. Chatrou | 2003 | Duguetia | Fl. Neotrop. Monogr. | 88: 1–276 |
| Venezuela | Delta Amacuro | | 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 |