| 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. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Alagoas | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Bahia | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Ceará | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Maranhão | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Mato Grosso | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Mato Grosso do Sul | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Minas Gerais | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Pará | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Pernambuco | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Piauí | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Rio de Janeiro | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | Rondônia | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Brazil | Brazil | São Paulo | | Wanderley, M. G. L., ed. 2001-. Flora fanerogâmica do Estado de São Paulo |
| 1 | Native | Southern America | Caribbean | Cuba | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Caribbean | Dominican Republic | | | Liogier, H. A. 1981-. Flora of Hispaniola: Part 1; La Flora de la Española. Part II-. |
| 1 | Native | Southern America | Caribbean | Guadeloupe | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 1 | Native | Southern America | Caribbean | Haiti | | | Liogier, H. A. 1981-. Flora of Hispaniola: Part 1; La Flora de la Española. Part II-. |
| 1 | Native | Southern America | Caribbean | Jamaica | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Caribbean | Martinique | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 1 | Native | Southern America | Caribbean | St. Lucia | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 1 | Native | Southern America | Caribbean | Trinidad and Tobago | Tobago | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Caribbean | United States | Puerto Rico | | Liogier, H. A. 1984-. Descriptive flora of Puerto Rico and adjacent islands. |
| 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. 16:80. |
| 1 | Native | Southern America | Central America | Guatemala | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Central America | Nicaragua | | | Wiersema, J. H. 2001. Nymphaeaceae. In: Stevens, W. D. et al., eds., Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3). |
| 1 | Native | Southern America | Central America | Panama | | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 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 | Southern South America | Argentina | Buenos Aires | | Zuloaga, F. O. & O. Morrone, eds. 1996, 1999. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74. |
| 1 | Native | Southern America | Southern South America | Argentina | Corrientes | | Zuloaga, F. O. & O. Morrone, eds. 1996, 1999. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74. |
| 1 | Native | Southern America | Southern South America | Paraguay | Concepción | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Western South America | Bolivia | Santa Cruz | | Ritter, N. P. et al. 2001. Nymphaea (Nymphaeaceae) in Bolivia: notes on several species, three new country records, and a key to species. Rhodora 103:326-331. |
| 1 | Native | Southern America | Western South America | Colombia | Cauca | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Western South America | Colombia | Magdalena | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 1 | Native | Southern America | Western South America | Colombia | Tolima | | Wiersema, J. H. 1987. A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Syst. Bot. Monogr. 16:80. |
| 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. 16:80. |
| 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 |