| 1 | Native | Northern America | Northern Mexico | Mexico | Tamaulipas | | Ramírez-García, P. & A. Novelo. 1989. Nymphaea amazonum (Nymphaeaceae) en México; clave de las especies del subgénero Hydrochallis en el país. Anales Inst. Biol. Univ. Nac. México 58:87-92. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Chiapas | | Ramírez-García, P. & A. Novelo. 1989. Nymphaea amazonum (Nymphaeaceae) en México; clave de las especies del subgénero Hydrochallis en el país. Anales Inst. Biol. Univ. Nac. México 58:87-92. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Guerrero | | Ramírez-García, P. & A. Novelo. 1989. Nymphaea amazonum (Nymphaeaceae) en México; clave de las especies del subgénero Hydrochallis en el país. Anales Inst. Biol. Univ. Nac. México 58:87-92. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Oaxaca | s.e. | Ramírez-García, P. & A. Novelo. 1989. Nymphaea amazonum (Nymphaeaceae) en México; clave de las especies del subgénero Hydrochallis en el país. Anales Inst. Biol. Univ. Nac. México 58:87-92. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Tabasco | | Ramírez-García, P. & A. Novelo. 1989. Nymphaea amazonum (Nymphaeaceae) en México; clave de las especies del subgénero Hydrochallis en el país. Anales Inst. Biol. Univ. Nac. México 58:87-92. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Veracruz de Ignacio de la Llave | | Ramírez-García, P. & A. Novelo. 1989. Nymphaea amazonum (Nymphaeaceae) en México; clave de las especies del subgénero Hydrochallis en el país. Anales Inst. Biol. Univ. Nac. México 58:87-92. |
| 1 | Native | Southern America | Brazil | Brazil | Acre | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Alagoas | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Bahia | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Ceará | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Maranhão | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Mato Grosso | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Mato Grosso do Sul | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Minas Gerais | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Pará | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Pernambuco | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Piauí | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Rio de Janeiro | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | Rondônia | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Brazil | Brazil | São Paulo | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Caribbean | Cuba | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Caribbean | Dominican Republic | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Caribbean | Guadeloupe | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Caribbean | Haiti | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Caribbean | Jamaica | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Caribbean | Martinique | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Caribbean | St. Lucia | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Caribbean | Trinidad and Tobago | Tobago | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Caribbean | United States | Puerto Rico | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Central America | Costa Rica | | | Hammel, B. E. et al., eds. 2003-. Manual de plantas de Costa Rica |
| 1 | Native | Southern America | Central America | El Salvador | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Central America | Guatemala | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Central America | Nicaragua | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Central America | Panama | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Northern South America | French Guiana | | | Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2 |
| 1 | Native | Southern America | Northern South America | Guyana | | | Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2 |
| 1 | Native | Southern America | Northern South America | Suriname | | | Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2 |
| 1 | Native | Southern America | Northern South America | Venezuela | Anzoátegui | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Apure | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Aragua | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Delta Amacuro | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Falcón | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Guárico | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Miranda | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Monagas | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Sucre | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Trujillo | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Zulia | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Western South America | Colombia | Cauca | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Western South America | Colombia | Magdalena | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Western South America | Colombia | Tolima | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Western South America | Colombia | Valle del Cauca | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:81. |
| 1 | Native | Southern America | Western South America | Ecuador | Esmeraldas | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 1 | Native | Southern America | Western South America | Ecuador | Guayas | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 1 | Native | Southern America | Western South America | Ecuador | Los Ríos | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 1 | Native | Southern America | Western South America | Ecuador | Morona Santiago | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 1 | Native | Southern America | Western South America | Peru | Loreto | | Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45 |
| 1 | Native | Southern America | Western South America | Peru | Madre de Dios | | Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45 |