Endlicher, S.F.L. in Endlicher, S.F.L., Fenzl, E., Bentham, G. & Schott, H.W. (April 1837), Myrtaceae. Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in Sinu Regis Georgii collegit Carolus liber baro de Hügel: 48 [tax. nov.]

• Type: "In collibus littoris prope Freemantle ad Swan River (Hügel.)."

Schauer, J.C. (1845), Dissertatio phytographica de Regelia, Beaufortia et Calothamno, generibus plantarum Myrtacearum. Novorum Actorum Academiae Caesareae Leopoldinae-Carolinae Naturae Curiosorum 21(1): 25 [taxonomic synonym]

taxonomic synonym of: Calothamnus quadrifidus R.Br. legitimate

Heynhold, G. (1846), Alphabetische und Synonymische Aufzahlung der in der Jahren 1840 bis 1846 in den europäischen Gärten eingeführten Gewächse nebst Angabe ihres Autors: 109 [taxonomic synonym]

taxonomic synonym of: Calothamnus quadrifidus R.Br. legitimate

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

taxonomic synonym of: Calothamnus quadrifidus f. acerosus (Colla) Benth. legitimate

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. subsp. quadrifidus legitimate

George, A.S. & Gibson, N. (29 September 2010), A revision of Calothamnus quadrifidus (Myrtaceae). Nuytsia 20: 62 [secondary reference]

orthographic variant: Calothamnus purpurea Endl. orth. var.

George, A.S. & Gibson, N. (29 September 2010), A revision of Calothamnus quadrifidus (Myrtaceae). Nuytsia 20: 62 [taxonomic synonym]

taxonomic synonym of: Calothamnus quadrifidus R.Br. subsp. quadrifidus 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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