| Colombia | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2012 | Rubiaceae a Verbenaceae | Fl. Mesoamer. | 4(2): i–xvi, 1–533 |
| Colombia | Antioquia | | Idárraga-Piedrahita, A., R. D. C. Ortiz, R. Callejas Posada & M. Merello | 2011 | Listado de las plantas vasculares del departamento de Antioquia | Fl. Antioquia: Cat. | 2: 9–939 |
| Costa Rica | | | Taylor, C. M., B. E. Hammel & D. H. Lorence | 2014 | Rubiaceae. En: Manual de Plantas de Costa Rica. Vol. VII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 129: 464–779 |
| Costa Rica | | | Monro, A. K., D. Santamaría Aguilar, F. González Brenes, O. Chacón, D. Solano, A. Rodríguez González, N. Zamora Villalobos, E. Fedele & M.D. Correa A. | 2017 | A first checklist to the vascular plants of La Amistad International Park (PILA), Costa Rica-Panama | Phytotaxa | 322(1): 1–283 |
| Costa Rica | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2012 | Rubiaceae a Verbenaceae | Fl. Mesoamer. | 4(2): i–xvi, 1–533 |
| Costa Rica | | | Lorence, D. H. | 1999 | A nomenclator of Mexican and Central American Rubiaceae | Monogr. Syst. Bot. Missouri Bot. Gard. | 73: 1–177 |
| Costa Rica | | | Taylor, C. M., B. E. Hammel & W.C. Burger | 1991 | New species, combinations, and records in Rubiaceae from the La Selva Biological Station, Costa Rica | Selbyana | 12: 134–140 |
| Costa Rica | Limón | | Lorence, D. H. | 1999 | A nomenclator of Mexican and Central American Rubiaceae | Monogr. Syst. Bot. Missouri Bot. Gard. | 73: 1–177 |
| Ecuador | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2012 | Rubiaceae a Verbenaceae | Fl. Mesoamer. | 4(2): i–xvi, 1–533 |
| Ecuador | | | Taylor, C. M., B. E. Hammel & D. H. Lorence | 2014 | Rubiaceae. En: Manual de Plantas de Costa Rica. Vol. VII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 129: 464–779 |
| Ecuador | Pichincha | | Jørgensen, P. M. & S. León-Yánez | 1999 | Catalogue of the Vascular Plants of Ecuador | Monogr. Syst. Bot. Missouri Bot. Gard. | 75: i–viii, 1–1181 |
| Nicaragua | | | Lorence, D. H. | 1999 | A nomenclator of Mexican and Central American Rubiaceae | Monogr. Syst. Bot. Missouri Bot. Gard. | 73: 1–177 |
| Nicaragua | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2012 | Rubiaceae a Verbenaceae | Fl. Mesoamer. | 4(2): i–xvi, 1–533 |
| Nicaragua | | | Taylor, C. M., B. E. Hammel & D. H. Lorence | 2014 | Rubiaceae. En: Manual de Plantas de Costa Rica. Vol. VII. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.) | Monogr. Syst. Bot. Missouri Bot. Gard. | 129: 464–779 |
| Panama | | | Monro, A. K., D. Santamaría Aguilar, F. González Brenes, O. Chacón, D. Solano, A. Rodríguez González, N. Zamora Villalobos, E. Fedele & M.D. Correa A. | 2017 | A first checklist to the vascular plants of La Amistad International Park (PILA), Costa Rica-Panama | Phytotaxa | 322(1): 1–283 |
| Panama | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2012 | Rubiaceae a Verbenaceae | Fl. Mesoamer. | 4(2): i–xvi, 1–533 |
| Panama | Bocas del Toro | | Correa A., M.D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Panama | Canal Area | | Correa A., M.D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Panama | Canal Area | | Lorence, D. H. | 1999 | A nomenclator of Mexican and Central American Rubiaceae | Monogr. Syst. Bot. Missouri Bot. Gard. | 73: 1–177 |
| Panama | Chiriquí | | Correa A., M.D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Panama | Colón | | Correa A., M.D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Panama | Darién | | Correa A., M.D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Panama | Panamá | | Correa A., M.D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Panama | Veraguas | | Correa A., M.D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |