Western Australian Herbarium (2013), FloraBase: the Western Australian Flora Version 2.8: - [primary reference]

Parker, C.M. & Biggs, L.J. (1 May 2014), Updates to Western Australia's vascular plant census for 2013. Nuytsia 24: 54 [taxonomic synonym]

taxonomic synonym of: Caustis sp. Gigas (A.S.George 9318) WA Herbarium [n/a]

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

taxonomic synonym of: Caustis gigas Meney & K.W.Dixon ex R.L.Barrett legitimate

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