Bentham, G. (May 1855), Plantae Muellerianae: Mimoseae. Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde 26(5): 612 [tax. nov.]

• Type: "Ad flum. Murray (F. Müll.), ad flum. Lochlan. (A. Cunningham. specimen a me olim confusum cum A. rigente Cunn., haec vero nil nisi forma A. elongatae est.)"

Bentham, G. (5 October 1864), Flora Australiensis 2: 338 [taxonomic synonym]

taxonomic synonym of: Acacia rigens A.Cunn. ex G.Don legitimate

Pedley, L. (20 July 1978), A revision of Acacia Mill. in Queensland, Part 1. Austrobaileya 1(2): 186 [secondary reference]

• Lectotype: "Ad Flum. Murray, Oct 1848, Mueller (MEL 500636; K, BM; lectotypus novus)."

Cowan, R.S. & Maslin, B.R. (8 June 1999), Acacia miscellany 17. Miscellaneous new taxa and lectotypifications in Western Australian Acacia, mostly section Plurinerves (Leguminosae: Mimosoideae). Nuytsia 12(3): 434 [taxonomic synonym]

taxonomic synonym of: Acacia rigens A.Cunn. ex G.Don legitimate

Cowan, R.S. in Orchard, A.E. & Wilson, A.J.G. (ed.) (2001), Flora of Australia 11B: 98 [taxonomic synonym]

taxonomic synonym of: Acacia rigens A.Cunn. ex G.Don legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Acacia rigens A.Cunn. ex G.Don legitimate

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Acacia rigens A.Cunn. ex G.Don legitimate

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