Meisner, C.D.F. in Lehmann, J.G.C. (ed.) (1844), Leguminosae. Plantae Preissianae 1(1): 9 [tax. nov.]

• Type: "In regionibus interioribus Australiae meridionali-occidentalis, m. Nov. 1840. Herb. Preiss. No. 965, cum fruct. jun. et in arenosis ad fluv. Canning (Perth) d. 4. Dec. 1839. florescens No. 1151."

Bentham, G. (5 October 1864), Flora Australiensis 2: 350 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 44 [secondary reference]

Maslin, B.R. (7 February 1978), Studies in the genus Acacia (Mimosaceae) - 8 A revision of the Uninerves - Triangulares, in part (the tetramerous species). Nuytsia 2(5): 277-279, Figs 5, 20 (map) [secondary reference]

• Lectotype: "In arenosis ad fl. Canning (Perth). Frutex 2.5 pedalis. d. 4 Dec. 1839, legit. L. Preiss No. 1151 (lecto: NY; iso: G, MEL, P, PERTH – fragment, W)"

Maslin, B.R. (7 February 1978), Studies in the genus Acacia (Mimosaceae) - 8 A revision of the Uninerves - Triangulares, in part (the tetramerous species). Nuytsia 2(5): 282 [pro parte misapplied]

pro parte misapplied to: Acacia semitrullata Maslin legitimate by Bentham, G. (5 October 1864), Flora Australiensis 2: 350

Maslin, B.R. (7 February 1978), Studies in the genus Acacia (Mimosaceae) - 8 A revision of the Uninerves - Triangulares, in part (the tetramerous species). Nuytsia 2(5): 281 [pro parte misapplied]

pro parte misapplied to: Acacia pycnocephala Maslin legitimate by Bentham, G. (5 October 1864), Flora Australiensis 2: 350

[pro parte taxonomic synonym]

pro parte taxonomic synonym of: Acacia pycnocephala Maslin legitimate

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 86 [secondary reference]

Wheeler, J.R. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Mimosaceae. Flora of the Perth Region 1: 222 [secondary reference]

Hopper, S.D., van Leeuwen, S.J., Brown, A.P. & Patrick, S.J. (1990), Western Australia's Endangered Flora: 106, 133 [secondary reference]

Maslin, B.R. & Cowan, R.S. (14 June 1994), C.F.Meissner's species of Acacia (Leguminosae: Mimosoideae): typification of the names. Nuytsia 9(3): 407 [secondary reference]

Maslin, B.R. in Orchard, A.E. & Wilson, A.J.G. (ed.) (2001), Flora of Australia 11A: 508, Fig. 65A-C, Map 377 [secondary reference]

• Type: Canning R., Perth, W.A., 4 Dec. 1839, L.Preiss 1151 ; lecto: NY, fide B.R.Maslin, Nuytsia 2: 277 (1978); iso: G, LD, MEL, P, PERTH (fragment ex MEL), W; paralecto: L.Preiss 965 , see A. pycnocephala .

Maslin, B.R. in Orchard, A.E. & Wilson, A.J.G. (ed.) (2001), Flora of Australia 11A: 511 [pro parte misapplied]

pro parte misapplied to: Acacia semitrullata Maslin legitimate by Bentham, G. (5 October 1864), Flora Australiensis 2: 350

Maslin, B.R. in Orchard, A.E. & Wilson, A.J.G. (ed.) (2001), Flora of Australia 11A: 508 [pro parte misapplied]

pro parte misapplied to: Acacia pycnocephala Maslin legitimate by Bentham, G. (5 October 1864), Flora Australiensis 2: 350

[pro parte taxonomic synonym]

pro parte taxonomic synonym of: Acacia pycnocephala Maslin legitimate

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): 468 [basionym]

basionym of: Racosperma horridulum (Meisn.) Pedley legitimate

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

nomenclatural synonym: Acacia horridula Meisn. var. horridula legitimate nomenclatural synonym: Racosperma horridulum (Meisn.) Pedley legitimate

• APC Dist.: WA

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [pro parte misapplied]

pro parte misapplied to: Acacia semitrullata Maslin legitimate by Bentham, G. (5 October 1864), Flora Australiensis 2: 350

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

pro parte taxonomic synonym of: Acacia pycnocephala Maslin legitimate

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