Regel, E.A. von in Fischer, F.E.L. von & Meyer, C.A.A. von (ed.) (1856), Index Seminum, quae hortus botanicus Imperialis Petropolitanus pro mutua commutatione offert: 39 [autonym]

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

nomenclatural synonym of: Calothamnus quadrifidus R.Br. subsp. quadrifidus legitimate

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

nomenclatural synonym of: Calothamnus quadrifidus R.Br. subsp. quadrifidus legitimate

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