| 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. 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 | 2012 | Rubiaceae a Verbenaceae | Fl. Mesoamer. | 4(2): i–xvi, 1–533 |
| Ecuador | | | Wiggins, I. L. & D. M. Porter | 1971 | (none) | Fl. Galápagos Isl. | 1–998 |
| Ecuador | | | Lawesson, J. E., H. Adsersen & P. Bentley | 1987 | An updated and annotated check list of the vascular plants of the Galapagos Islands | Rep. Bot. Inst. Univ. Aarhus | 16: 1–74 |
| Ecuador | | | Porter, D. M. | 1983 | Vascular plants of the Galapagos: Origins and dispersal | Patt. Evol. Galapagos Org. | 33–54 |
| Ecuador | Galapagos | | Wiggins, I. L. & D. M. Porter | 1971 | (none) | Fl. Galápagos Isl. | 1–998 |
| Ecuador | Galapagos | | Lawesson, J. E., H. Adsersen & P. Bentley | 1987 | An updated and annotated check list of the vascular plants of the Galapagos Islands | Rep. Bot. Inst. Univ. Aarhus | 16: 1–74 |
| Ecuador | Galapagos | | Porter, D. M. | 1983 | Vascular plants of the Galapagos: Origins and dispersal | Patt. Evol. Galapagos Org. | 33–54 |
| Ecuador | Galapagos | | 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 | Galapagos | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2012 | Rubiaceae a Verbenaceae | Fl. Mesoamer. | 4(2): i–xvi, 1–533 |
| Ecuador | Guayas | | 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 | Guayas | | Moldenke, H. N. | 1980 | A sixth summary of the Verbenaceae, Avicenniaceae, Stilbaceae, Chloanthaceae, Symphoremaceae, Nyctanthaceae, and Eriocaulaceae of the World as to valid taxa, geographic distribution and synonymy | Phytologia Mem. | 2: 1–629 |
| Ecuador | Manabí | | Moldenke, H. N. | 1980 | A sixth summary of the Verbenaceae, Avicenniaceae, Stilbaceae, Chloanthaceae, Symphoremaceae, Nyctanthaceae, and Eriocaulaceae of the World as to valid taxa, geographic distribution and synonymy | Phytologia Mem. | 2: 1–629 |
| Ecuador | Manabí | | 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 |
| Panama | | | Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera | 2012 | Rubiaceae a Verbenaceae | Fl. Mesoamer. | 4(2): i–xvi, 1–533 |
| 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 | Panamá | | Correa A., M. D., C. Galdames & M. Stapf | 2004 | (none) | Cat. Pl. Vasc. Panamá | 1–599 |
| Peru | | | Macbride, J. F. | 1960 | Verbenaceae, Flora of Peru | Publ. Field Mus. Nat. Hist., Bot. Ser. | 13(5/2): 609–721 |
| Venezuela | | | SPECIMEN BASED RECORD | 1986 | Field Museum Type Record | | |