| 1 | Native | Africa | Macaronesia | Portugal | Madeira Islands | | Eriksson, O. et al. 1979. Flora of Macaronesia: checklist of vascular plants, ed. 2. |
| 1 | Native | Africa | Macaronesia | Spain | Canarias | | Arechavaleta, M. et al., coords. 2009. Lista de especies silvestres de Canarias: hongos, plantas y animales terrestres |
| 1 | Native | Africa | Northern Africa | Algeria | | n. | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Africa | Northern Africa | Egypt | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Africa | Northern Africa | Libya | | n. | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Africa | Northern Africa | Morocco | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Africa | Northern Africa | Tunisia | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Asia-Temperate | Caucasus | Armenia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Azerbaijan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Georgia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation | Dagestan | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation-Ciscaucasia | Ciscaucasia | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Middle Asia | Kazakhstan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Middle Asia | Kyrgyzstan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Middle Asia | Tajikistan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Middle Asia | Turkmenistan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Middle Asia | Uzbekistan | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Western Asia | Afghanistan | | | Rechinger, K. H., ed. 1963-. Flora iranica. |
| 1 | Native | Asia-Temperate | Western Asia | Cyprus | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Asia-Temperate | Western Asia | Egypt | Sinai | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Asia-Temperate | Western Asia | Iran | | | Rechinger, K. H., ed. 1963-. Flora iranica. |
| 1 | Native | Asia-Temperate | Western Asia | Iraq | | | Rechinger, K. H., ed. 1963-. Flora iranica. |
| 1 | Native | Asia-Temperate | Western Asia | Israel | | | Zohary, M. & N. Feinbrun-Dothan. 1966-. Flora palaestina. |
| 1 | Native | Asia-Temperate | Western Asia | Jordan | | | Zohary, M. & N. Feinbrun-Dothan. 1966-. Flora palaestina. |
| 1 | Native | Asia-Temperate | Western Asia | Lebanon | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Asia-Temperate | Western Asia | Syria | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Asia-Temperate | Western Asia | Turkey | | | Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands. |
| 1 | Native | Asia-Tropical | Indian Subcontinent | India | | | Sharma, B. D. et al., eds. 1993-. Flora of India. |
| 1 | Native | Asia-Tropical | Indian Subcontinent | Pakistan | | | Rechinger, K. H., ed. 1963-. Flora iranica. |
| 1 | Native | Europe | Eastern Europe | Ukraine | | incl. Krym | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 1 | Native | Europe | Middle Europe | Austria | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Belgium | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Czech Republic | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 1 | Native | Europe | Middle Europe | Germany | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Hungary | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Netherlands | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Poland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Slovakia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 1 | Native | Europe | Middle Europe | Switzerland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | Denmark | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | Ireland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | Sweden | | s. | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | United Kingdom | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Albania | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Bosnia and Herzegovina | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 1 | Native | Europe | Southeastern Europe | Bulgaria | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Croatia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 1 | Native | Europe | Southeastern Europe | Greece | | incl. Crete | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Italy | | incl. Sardinia, Sicily | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Montenegro | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 1 | Native | Europe | Southeastern Europe | North Macedonia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 1 | Native | Europe | Southeastern Europe | Romania | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Serbia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 1 | Native | Europe | Southeastern Europe | Slovenia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 1 | Native | Europe | Southwestern Europe | France | | incl. Corsica | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | Portugal | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | Spain | | incl. Baleares | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Africa | East Tropical Africa | Kenya | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Africa | East Tropical Africa | Tanzania | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Africa | Northeast Tropical Africa | Ethiopia | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 4 | Naturalized | Africa | South Tropical Africa | Mozambique | | | Exell, A. W. et al., eds. 1960-. Flora zambesiaca. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Africa | South Tropical Africa | Zimbabwe | | | Exell, A. W. et al., eds. 1960-. Flora zambesiaca. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Africa | Southern Africa | Lesotho | | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 4 | Naturalized | Africa | Southern Africa | South Africa | | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 4 | Naturalized | Africa | West Tropical Africa | Mali | | | Keay, R. W. J. & F. N. Hepper. 1953-1972. Flora of west tropical Africa, ed. 2. |
| 4 | Naturalized | Africa | West Tropical Africa | Niger | | | Keay, R. W. J. & F. N. Hepper. 1953-1972. Flora of west tropical Africa, ed. 2. |
| 4 | Naturalized | Africa | West-Central Tropical Africa | Cameroon | | | Keay, R. W. J. & F. N. Hepper. 1953-1972. Flora of west tropical Africa, ed. 2. |
| 4 | Naturalized | Africa | West-Central Tropical Africa | Democratic Republic of the Congo | | | Jardin botanique national de Belgique. 1967-. Flore du Congo, du Rwanda et du Burundi (Flore d'Afrique centrale). |
| 4 | Naturalized | Africa | West-Central Tropical Africa | Rwanda | | | Troupin, G. 1978-. Flore du Rwanda. |
| 4 | Naturalized | Africa | West-Central Tropical Africa | Sao Tome and Principe | | | Jardin botanique national de Belgique. 1967-. Flore du Congo, du Rwanda et du Burundi (Flore d'Afrique centrale). |
| 4 | Naturalized | Asia-Temperate | Arabian Peninsula | Saudi Arabia | | | Miller, A. G. & T. A. Cope. 1996-. Flora of the Arabian Peninsula and Socotra. |
| 4 | Naturalized | Asia-Temperate | China | China | | n. & w. | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 4 | Naturalized | Asia-Temperate | Eastern Asia | Japan | | | Iwatsuki, K. et al. 1993-. Flora of Japan. |
| 4 | Naturalized | Asia-Tropical | Indian Subcontinent | Nepal | | | Hara, H. et al. 1978-1982. An enumeration of the flowering plants of Nepal. |
| 4 | Naturalized | Asia-Tropical | Indian Subcontinent | Sri Lanka | | | Dassanayake, M. D. & F. R. Fosberg, eds. 1980-. A revised handbook to the flora of Ceylon. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Asia-Tropical | Malesia | Indonesia | | | Steenis, C. G. G. J. van, ed. 1948-. Flora malesiana. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Asia-Tropical | Malesia | Malaysia | | | Steenis, C. G. G. J. van, ed. 1948-. Flora malesiana. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Asia-Tropical | Malesia | Philippines | | | Steenis, C. G. G. J. van, ed. 1948-. Flora malesiana. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Asia-Tropical | Papuasia | Papua New Guinea | | | Steenis, C. G. G. J. van, ed. 1948-. Flora malesiana. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Australasia | Australia | Australia | | | George, A. S., ed. 1980-. Flora of Australia. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Australasia | New Zealand | New Zealand | | | George, A. S., ed. 1980-. Flora of Australia. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Northern America | | Canada | | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | | Mexico | | | Rzedowski, J. & G. Rzedowski, eds. 1979-. Flora fanerogámica del Valle de México. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Northern America | | United States | | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Southern America | Brazil | Brazil | | | 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. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Southern America | Caribbean | Barbados | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Cuba | | | Jardín Botánico Nacional. 1998-. Flora de la República de Cuba |
| 4 | Naturalized | Southern America | Caribbean | Dominica | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Dominican Republic | | | Liogier, H. A. 1981-. Flora of Hispaniola: Part 1; La Flora de la Española. Part II-. |
| 4 | Naturalized | Southern America | Caribbean | Guadeloupe | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Haiti | | | Liogier, H. A. 1981-. Flora of Hispaniola: Part 1; La Flora de la Española. Part II-. |
| 4 | Naturalized | Southern America | Caribbean | Jamaica | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Caribbean | Martinique | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | St. Lucia | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Caribbean | St. Vincent and Grenadines | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Trinidad and Tobago | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Caribbean | United States | Puerto Rico | | Liogier, H. A. 1984-. Descriptive flora of Puerto Rico and adjacent islands. |
| 4 | Naturalized | Southern America | Caribbean | United States | Virgin Islands, U.S. | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Central America | Guatemala | | | Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala. |
| 4 | Naturalized | Southern America | Central America | Nicaragua | | | Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3). |
| 4 | Naturalized | Southern America | Northern South America | French Guiana | | | Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Southern America | Northern South America | Venezuela | | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 4 | Naturalized | Southern America | Southern South America | Argentina | | | 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. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Southern America | Southern South America | Chile | | | 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. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Southern America | Southern South America | Uruguay | | | 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. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Southern America | Western South America | Bolivia | | | 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. Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 4 | Naturalized | Southern America | Western South America | Ecuador | | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 4 | Naturalized | Southern America | Western South America | Peru | | | Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45 Note: = Rorippa nasturtium-aquaticum (L.) Hayek |
| 5 | Uncertain | Africa | Macaronesia | Portugal | Azores | | Silva, L. et al. 2005. Listagem da fauna e flora terrestres dos Açores. Lista des plantas vasculares (Pteridophyta e Spermatophyta). |