| English | bullnut | | http://nationalplantboard.org/docs/summaries/washington.pdf | 1 | National Plant Board. 2008-. National Plant Board federal and state quarantine summaries |
| English | European water-chestnut | | as Trapa natans var. natans | 1 | Rosengarten, F. 1984. The book of edible nuts Note: as Trapa natans var. natans |
| English | horn-nut | | as Trapa bicornis | 1 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa bicornis |
| English | Jesuit's-nut | | as Trapa natans var. natans | 1 | Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening 4:496. Note: as Trapa natans var. natans |
| English | lingnut | | as Trapa bicornis | 1 | Mabberley, D. J. 2008. Mabberley's plant-book: a portable dictionary of plants, their classification and uses, ed. 3 Note: Cambridge University Press, Cambridge |
| English | singhara-nut | | as Trapa natans var. bispinosa | 1 | Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening Note: as Trapa natans var. bispinosa |
| English | water caltrop | | as Trapa natans var. natans | 1 | Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening 4:496. Note: as Trapa natans var. natans |
| English | water-chestnut | | as Trapa bicornis | 1 | Uphof, J. C. T. 1968. Dictionary of economic plants, ed. 2. |
| English (Canada) | European water-chestnut | | Agriculture & Agri-Food Canada official name | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 178-179. |
| French | châtaigne d'eau | | as Trapa bicornis | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa bicornis |
| French | cornue | | as Trapa natans var. natans | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa natans var. natans |
| French | macre | | as Trapa bicornis | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa bicornis |
| French | macre commune | | as Trapa natans var. natans | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa natans var. natans |
| French | saligot | | as Trapa natans var. natans | 2 | Mabberley, D. J. 1997. The plant-book: a portable dictionary of the vascular plants, ed. 2 Note: as Trapa natans var. natans |
| French (Canada) | châtaigne d’eau | | Agriculture & Agroalimentaire Canada nom officiel | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 178-179. |
| German | chinesische Wassernuß | | as Trapa bicornis | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa bicornis |
| German | singhara Wassernuß | | as Trapa natans var. bispinosa | 2 | Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen Note: as Trapa natans var. bispinosa |
| German | Wassernuß | | as Trapa natans var. natans | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa natans var. natans |
| Portuguese | castanha-d'água | | as Trapa natans var. natans | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa natans var. natans |
| Spanish | abrojo de agua | | as Trapa natans var. natans | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa natans var. natans |
| Spanish | castaña de agua | | as Trapa bicornis | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Trapa bicornis |
| Swedish | sjönöt | | | 2 | Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) |