Colla, L.A. (1824), Hortus Ripulensis 1: 20, t. 23 [nom. nov.]

• Type: "N. Holl."

taxonomic synonym: Beaufortia pinifolia F.Cels nom. inval., nom. nud.

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 [secondary reference]

taxonomic synonym: Calothamnus quadrifidus R.Br. legitimate taxonomic synonym: Beaufortia pinifolia F.Cels nom. inval., nom. nud.

Don, G. (October 1832), A General History of Dichlamydeous Plants 2: 815 [basionym]

basionym of: Melaleuca acerosa (Colla) G.Don legitimate

Heynhold, G. (1840), Nomenclator botanicus hortensis 1: 123 [secondary reference]

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 [basionym]

basionym 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: - [secondary reference]

orthographic variant: Billotia acerosa Heynh. orth. var.

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 [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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