Grisebach, A.H.R. (1866), Catalogus Plantarum Cubensium: 252 [comb. nov.]

basionym: Pontederia lanceolata Nutt. legitimate

Evans, O.D. (1966), Pontederiaceae. Contributions from the New South Wales National Herbarium, Flora Series 30: 3 [nomenclatural synonym]

nomenclatural synonym of: Pontederia lanceolata Nutt. legitimate

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

nomenclatural synonym: Pontederia lanceolata Nutt. legitimate

Aston, H.I. in George, A.S. (ed.) (1987), Pontederiaceae. Flora of Australia 45: 53 [taxonomic synonym]

taxonomic synonym of: Pontederia cordata L. legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Pontederia cordata L. legitimate

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

taxonomic synonym of: Pontederia cordata L. legitimate

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