Ruiz Lopez, H. & Pavon, J.A. (1794), Florae Peruvianae, et Chilensis Prodromus: 9 [tax. nov.]

Cronquist, A.J. (1981), An Integrated System of Classification of Flowering Plants: 1202 [secondary reference]

Cook, C.D.K. in Kubitzki, K. (ed.) (1998), Pontederiaceae. The Families and Genera of Vascular Plants 4: 402, Fig. 94A,B [secondary reference]

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - APC [secondary reference]

• APC Dist.: Qld (naturalised), NSW (naturalised)

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 403 [secondary reference]

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