Shaffer-Fehre, M. (1991), The endotegmen tuberculae: an account of little-known structure from the seed coat of the Hydrocharitoideae (Hydrocharitaceae) and Najas (Najadaceae). Botanical Journal of the Linnean Society 107: 186-187 [comb. nov.]

basionym: Pontederia dubia Blume legitimate nomenclatural synonym: Monochoria dubia (Blume) Miq. legitimate nomenclatural synonym: Hydrocharis dubia (Blume) Backer legitimate

Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - [secondary reference]

nomenclatural synonym: Pontederia dubia Blume legitimate nomenclatural synonym: Monochoria dubia (Blume) Miq. legitimate nomenclatural synonym: Hydrocharis dubia (Blume) Backer legitimate misapplication: Hydrocharis morsus-ranae L. legitimate by Bentham, G. (23 September 1873), Flora Australiensis 6: 256

• APC Dist.: Qld, NSW

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Hydrocharis dubia (Blume) Backer legitimate

---