| Colombia | | | Morales, J. F. | 1997 | A synopsis of the genus Prestonia (Apocynaceae) section Tomentosae in Mesoamerica | Novon | 7(1): 59–66 |
| Colombia | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2009 | Cucurbitaceae a Polemoniaceae | Fl. Mesoamer. | 4(1): i–xvi, 1–855 |
| Colombia | Antioquia | | Idárraga-Piedrahita, A., R. del C. Ortiz, R. Callejas Posada & M. Merello | 2011 | Listado de las plantas vasculares del departamento de Antioquia | Fl. Antioquia: Cat. | 2: 9–939 |
| Ecuador | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2009 | Cucurbitaceae a Polemoniaceae | Fl. Mesoamer. | 4(1): i–xvi, 1–855 |
| Ecuador | | | Morales, J. F. | 1997 | A synopsis of the genus Prestonia (Apocynaceae) section Tomentosae in Mesoamerica | Novon | 7(1): 59–66 |
| French Guiana | | | Morales, J. F. | 1997 | A synopsis of the genus Prestonia (Apocynaceae) section Tomentosae in Mesoamerica | Novon | 7(1): 59–66 |
| 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 | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2009 | Cucurbitaceae a Polemoniaceae | Fl. Mesoamer. | 4(1): i–xvi, 1–855 |
| Guyana | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2009 | Cucurbitaceae a Polemoniaceae | Fl. Mesoamer. | 4(1): i–xvi, 1–855 |
| Panama | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2009 | Cucurbitaceae a Polemoniaceae | Fl. Mesoamer. | 4(1): i–xvi, 1–855 |
| Panama | | | D'Arcy, W. G. | 1987 | Flora of Panama. Checklist and Index. Part 1: The introduction and checklist | Monogr. Syst. Bot. Missouri Bot. Gard. | 17: v–xxx, 1–328 |
| Panama | Canal Area | | Correa A., M. D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Panama | Darién | | Morales, J. F. | 1997 | A synopsis of the genus Prestonia (Apocynaceae) section Tomentosae in Mesoamerica | Novon | 7(1): 59–66 |
| Panama | Darién | | Correa A., M. D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Peru | | | Morales, J. F. | 1997 | A synopsis of the genus Prestonia (Apocynaceae) section Tomentosae in Mesoamerica | Novon | 7(1): 59–66 |
| Peru | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2009 | Cucurbitaceae a Polemoniaceae | Fl. Mesoamer. | 4(1): i–xvi, 1–855 |
| Suriname | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2009 | Cucurbitaceae a Polemoniaceae | Fl. Mesoamer. | 4(1): i–xvi, 1–855 |