George, A.S. & Gibson, N. (29 September 2010), A revision of Calothamnus quadrifidus (Myrtaceae). Nuytsia 20: 70, Figs 1 (map), 7 [comb. et stat. nov.]

basionym: Calothamnus quadrifidus f. obtusus Benth. legitimate

• APC Dist.: WA

Craven, L.A., Edwards, R.D. & Cowley, K.J. (2014), New combinations and names in Melaleuca (Myrtaceae). Taxon 63(3): 667 [nomenclatural synonym]

nomenclatural synonym of: Melaleuca quadrifida subsp. obtusa (Benth.) Craven & R.D.Edwards legitimate

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Calothamnus quadrifidus f. obtusus Benth. legitimate nomenclatural synonym: Melaleuca quadrifida subsp. obtusa (Benth.) Craven & R.D.Edwards legitimate

• APC Dist.: WA

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