Maiden, J.H. & Blakely, W.F. (1927), Descriptions of fifty new species and six varieties of western and northern Australian Acacias, and notes on four other species. Journal of the Royal Society of Western Australia 13: 21, t. xiv. [tax. nov.]

• Type: "Near Barrow Range, Victoria Desert, Camp 40, Elder Exploring Expedition (R.Helms, No. 10, 3rd September, 1891) The type."

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 266 [secondary reference]

Maslin, B.R. in Jessop, J.P. (ed.) (1981), Mimosaceae (family and Acacia). Flora of Central Australia: 131-132, Fig. 158N [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 87 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 50 [secondary reference]

Maslin, B.R. in Orchard, A.E. & Wilson, A.J.G. (ed.) (2001), Flora of Australia 11A: 373-374, Fig. 38O-Q, Map 213 [secondary reference]

• Type: Victoria Desert Camp 40, near Barrow Ra., W.A., 3 Sept. 1891, R.Helms 10 ; holo: NSW; iso: AD, K, PERTH (fragment of holo).

Maslin, B.R. (9 July 2001), Wattle - Acacias of Australia: - [secondary reference]

Pedley, L. (3 December 2003), A synopsis of Racosperma C.Mart. (Leguminosae: Mimosoideae). Austrobaileya 6(3): 479 [basionym]

basionym of: Racosperma pachyacrum (Maiden & Blakely) Pedley legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Racosperma pachyacrum (Maiden & Blakely) Pedley legitimate

• APC Dist.: WA, NT, SA

Maslin, B.R., van Leeuwen, S. & Reid, J. (2010), Wattles of the Pilbara: - [secondary reference]

• Etymology: "The botanical name is derived from the Greek pachys (thick) and akron (top, summit) and refers to the characteristically thickened mucro that terminates the phyllodes."

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