Candolle, A.P. de in Candolle, A.P. de (ed.) (1828), Paronychieae. Prodromus Systematis Naturalis Regni Vegetabilis 3: 376 [comb. nov.]

basionym: Polycarpon diphyllum Cav. legitimate

• Comment: Published as `β diphyllum'.

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 357 [secondary reference]

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 144 [secondary reference]

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

misapplied to: Polycarpon tetraphyllum (L.) L. legitimate by Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 144

State Herbarium of South Australia (2008), Fact sheets. The Electronic Flora of South Australia: - [taxonomic synonym]

taxonomic synonym of: Polycarpon tetraphyllum (L.) L. legitimate

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Polycarpon tetraphyllum (L.) L. legitimate

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