Kunth, K.S. (1842), Eichhornia, Genus Novum e familia Pontederiacearum 3: 3 [tax. nov.]

• Type: (not designated).

Kunth, K.S. (1843), Enumeratio Plantarum Omnium Hucusque Cognitarum 4: 129 [secondary reference]

Bailey, F.M. (1902), The Queensland Flora 5: 1644 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 559 [secondary reference]

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 180 [secondary reference]

• Etymology: "After J. A. F. Eichhorn, a Prussian Minister of Education"

Backer, C.A. (December 1951), Pontederiaceae. Flora Malesiana Series I 4(3): 259-261 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 439 [secondary reference]

Evans, O.D. (1966), Pontederiaceae. Contributions from the New South Wales National Herbarium, Flora Series 30: 1-2 [secondary reference]

Aston, H.I. (1973), Aquatic Plants of Australia: 263-266 [secondary reference]

Cronquist, A.J. (1981), An Integrated System of Classification of Flowering Plants: 1204 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 57 [secondary reference]

Voss, E.G. (1983), International Code of Botanical Nomenclature, Sydney, 1981. Regnum Vegetabile 111: 323 [secondary reference]

• Type: Eichhornia azurea (Sw.) Kunth (typ. cons.)

• Comment: nom. cons. (ref. I.C.B.N. (1983) No. 921).

Aston, H.I. in George, A.S. (ed.) (1987), Pontederiaceae. Flora of Australia 45: 50-53 [secondary reference]

• APC Dist.: WA (naturalised), NT (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), NI (naturalised), Vic (naturalised)

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Pontederiaceae. Flora of the Perth Region 2: 860 [secondary reference]

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1989), Pontederiaceae. Flora of South-eastern Queensland 3: 52 [secondary reference]

Jacobs, S.W.L. in Harden, G.J. (ed.) (1993), Pontederiaceae. Flora of New South Wales 4: 250 [secondary reference]

Conn, B.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Hydatellaceae - Pontederia. Flora of Victoria Edn. 1, 2: 636 [secondary reference]

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 502 [secondary reference]

Cook, C.D.K. in Kubitzki, K. (ed.) (1998), Pontederiaceae. The Families and Genera of Vascular Plants 4: 401, Fig. 93A,B [secondary reference]

Short, P.S. in Cowie, I.D., Short, P.S. & Osterkamp Madsen, M. (2000), Pontederiaceae. Floodplain Flora. A flora of the coastal floodplains of the Northern Territory, Australia: 330 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 298 [secondary reference]

Pellegrini, M.O.O., Horn, C.N. & Almeida, R.F. (2018), Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L. Phytokeys 108: 64 [basionym]

basionym of: Pontederia subg. Eichhornia (Kunth) M.Pell. & C.N.Horn legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Pontederia L. legitimate

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