| Belize | | | Balick, M. J., M. H. Nee & D.E. Atha | 2000 | Checklist of the vascular plants of Belize | Mem. New York Bot. Gard. | 85: i–ix, 1–246 |
| Bolivia | | | Foster, R. C. | 1958 | A catalogue of the ferns and flowering plants of Bolivia | Contr. Gray Herb. | 184: 1–223 |
| Colombia | | | Lorence, D. H. | 1999 | A nomenclator of Mexican and Central American Rubiaceae | Monogr. Syst. Bot. Missouri Bot. Gard. | 73: 1–177 |
| Colombia | | | SPECIMEN BASED RECORD | | Published protolog data | | |
| Ecuador | | | Renner, S. S., H. Balslev & L.B. Holm-Nielsen | 1990 | Flowering plants of Amazonian Ecuador—A checklist | AAU Rep. | 24: 1–241 |
| Ecuador | | | Dodson, C.H., A.H. Gentry & F. M. Valverde Badillo | 1985 | (none) | Fl. Jauneche | 1–512 |
| Ecuador | Esmeraldas | | 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 |
| Ecuador | Los Ríos | | 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 |
| Ecuador | Los Ríos | | Dodson, C.H., A.H. Gentry & F. M. Valverde Badillo | 1985 | (none) | Fl. Jauneche | 1–512 |
| Ecuador | Napo | | 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 |
| Ecuador | Napo | | Renner, S. S., H. Balslev & L.B. Holm-Nielsen | 1990 | Flowering plants of Amazonian Ecuador—A checklist | AAU Rep. | 24: 1–241 |
| Honduras | | | Nelson, C. H. | 1978 | Contribuciones a la flora de la Mosquitía, Honduras | Ceiba | 22(1): 41–64 |
| Honduras | Gracias a Dios | | Nelson, C. H. | 1976 | Plantas nuevas para la flora de Honduras | Ceiba | 20(2): 58–68 |
| 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 | 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 | 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 | San Blas | | 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 |
| Peru | | | Macbride, J. F. | 1936 | Rubiaceae, Flora of Peru | Publ. Field Mus. Nat. Hist., Bot. Ser. | 13(6/1): 3–261 |
| Peru | Ayacucho | | Macbride, J. F. | 1936 | Rubiaceae, Flora of Peru | Publ. Field Mus. Nat. Hist., Bot. Ser. | 13(6/1): 3–261 |
| Peru | Loreto | | Macbride, J. F. | 1936 | Rubiaceae, Flora of Peru | Publ. Field Mus. Nat. Hist., Bot. Ser. | 13(6/1): 3–261 |