Cels, F. (1817), Catalogue des Arbres, Arbustes, et autres plantes: 8 [primary reference]

Colla, L.A. (1824), Hortus Ripulensis 1: 20 [taxonomic synonym]

taxonomic synonym of: Billottia acerosa Colla legitimate

Schlechtendal, D.F.L. von (1829), Litteratur - Bericht zur Linnaea fur das Jahr 1829. Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde 4: 52 [taxonomic synonym]

taxonomic synonym of: Billottia acerosa Colla legitimate

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Calothamnus quadrifidus R.Br. legitimate

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

taxonomic synonym of: Calothamnus quadrifidus R.Br. legitimate

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