| 1 | Native | Africa | East Tropical Africa | Kenya | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. Note: = Nymphaea nouchali var. caerulea (Savigny) Verdc. |
| 1 | Native | Africa | East Tropical Africa | Tanzania | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. Note: = Nymphaea nouchali var. caerulea (Savigny) Verdc. |
| 1 | Native | Africa | East Tropical Africa | Uganda | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. Note: = Nymphaea nouchali var. caerulea (Savigny) Verdc. |
| 1 | Native | Africa | Northeast Tropical Africa | Eritrea | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 1 | Native | Africa | Northeast Tropical Africa | Ethiopia | | n. | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 1 | Native | Africa | Northeast Tropical Africa | Somalia | | | Thulin, M., ed. 1993-. Flora of Somalia. Note: = Nymphaea nouchali var. caerulea (Savigny) Verdc. |
| 1 | Native | Africa | Northeast Tropical Africa | Sudan | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. Note: = Nymphaea nouchali var. caerulea (Savigny) Verdc. |
| 1 | Native | Africa | Northern Africa | Egypt | | | Boulos, L. 1999-. Flora of Egypt |
| 1 | Native | Africa | South Tropical Africa | Angola | | | Carrisso, L. W. et al., eds. 1937-. Conspectus florae angolensis. |
| 1 | Native | Africa | South Tropical Africa | Malawi | | | Exell, A. W. et al., eds. 1960-. Flora zambesiaca. |
| 1 | Native | Africa | South Tropical Africa | Mozambique | | | Exell, A. W. et al., eds. 1960-. Flora zambesiaca. |
| 1 | Native | Africa | South Tropical Africa | Zambia | | | Exell, A. W. et al., eds. 1960-. Flora zambesiaca. |
| 1 | Native | Africa | South Tropical Africa | Zimbabwe | | | Exell, A. W. et al., eds. 1960-. Flora zambesiaca. |
| 1 | Native | Africa | Southern Africa | Botswana | | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | Eswatini | | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | Namibia | | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | South Africa | Eastern Cape | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | South Africa | Free State | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | South Africa | Gauteng | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | South Africa | KwaZulu-Natal | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | South Africa | Limpopo | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | South Africa | Mpumalanga | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | South Africa | North-West | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | West-Central Tropical Africa | Democratic Republic of the Congo | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. Note: = Nymphaea nouchali var. caerulea (Savigny) Verdc. |
| 1 | Native | Asia-Temperate | Arabian Peninsula | Yemen | | | Wood, J. R. I. 1997. A handbook of the Yemen flora. |
| 1 | Native | Asia-Temperate | Western Asia | Israel | | extinct | Zohary, M. & N. Feinbrun-Dothan. 1966-. Flora palaestina. |
| 2 | Cultivated | | | | | also cult. | |
| 4 | Naturalized | Southern America | Brazil | Brazil | São Paulo | | Wanderley, M. G. L., ed. 2001-. Flora fanerogâmica do Estado de São Paulo |
| 4 | Naturalized | Southern America | Southern South America | Argentina | Misiones | | Tur, N. M. 2006. Sobre la presencia de Nymphaea caerulea (Nymphaeaceae) en la Argentina. Hickenia 3(67):278. |