Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 180 [secondary reference]

taxonomic synonym: Calothamnus clavatus J.Mackay ex Schauer nom. illeg.

• Comment: nom. inval. as this is the type forma.

Hawkeswood, T.J. (23 December 1987), A taxonomic revision of the genus Calothamnus Labill. (Myrtaceae: Leptospermoideae). Part 1. The 4-merous species. Nuytsia 6(1): 118 [taxonomic synonym]

taxonomic synonym of: Calothamnus quadrifidus R.Br. 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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