Hydrocharis dubia (Blume) Backer legitimate | sensu Council of Heads of Australasian Herbaria (2014), Australian Plant Census
Limnobium dubium (Blume) Shaffer-Fehre legitimate Monochoria dubia (Blume) Miq. legitimate Pontederia dubia Blume legitimate
Hydrocharis morsus-ranae L. auct. non L.: Bentham, G. (23 September 1873), Flora Australiensis 6: 256 Hydrocharis morsus-ranae L. auct. non L.: Fitzgerald, W.V. (1918), The Botany of the Kimberleys, north-west Australia. Journal and Proceedings of the Royal Society of Western Australia 3: 199
  • Qld, NSW