Gardner, C.A. (May 1931), Part III. Geraniaceae–Compositae. Enumeratio Plantarum Australiae Occidentalis: 80 [comb. nov.]

basionym: Commersonia cygnorum Steud. legitimate

• Comment: Combination validly made by indirect reference to the basionym (ICN Art. 43.1 (Melbourne Code), 2012.)

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 115 [secondary reference]

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Sterculiaceae. Flora of the Perth Region 1: 137 [secondary reference]

Hnatiuk, R.J. (ed.) (1990), Census of Australian Vascular Plants: 603 [secondary reference]

• Comment: “Rulingia cygnorum (Steud.) C.A.Gardner var. cygnorum” is listed by R.J.Hnatiuk, Census Austral. Vasc. Pl. 603 (1991), but since no varietal taxa had been validly published in R. cygnorum at the time, this autonym was not established.

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 544 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 896 [secondary reference]

Wilkins, C.F. & Whitlock, B.A. (18 November 2011), A revision of Commersonia including Rulingia (Malvaceae s.l. or Byttneriaceae). Australian Systematic Botany 24(5): 250 [nomenclatural synonym]

nomenclatural synonym of: Commersonia cygnorum Steud. legitimate

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - [secondary reference]

orthographic variant: Ruelingia cygnorum C.A.Gardner orth. var.

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Commersonia cygnorum Steud. legitimate

Biggs, L.J. & Parker, C.M. (21 November 2013), Updates to Western Australia's vascular plant census for 2012. Nuytsia 23: 520 [nomenclatural synonym]

nomenclatural synonym of: Commersonia cygnorum Steud. legitimate

Shepherd, K.A. & Wilkins, C.F. (22 March 2018), Commersonia corniculata (Malvaceae), a new name for C. cygnorum. Nuytsia 29: 67 [taxonomic synonym]

taxonomic synonym of: Commersonia corniculata (Sm.) K.A.Sheph. & C.F.Wilkins legitimate

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

taxonomic synonym of: Commersonia corniculata (Sm.) K.A.Sheph. & C.F.Wilkins legitimate

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