| 1 | Native | Northern America | Eastern Canada | Canada | Ontario | s. | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Eastern Canada | Canada | Québec | s. | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Minnesota | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Wisconsin | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Connecticut | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Maine | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Massachusetts | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Hampshire | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |
| 1 | Native | Northern America | Western Canada | Canada | Manitoba | s.e. | Wiersema, J. H. 1997. Nymphaea. In: FNA Editorial Committee, Flora of North America. |