Linnaeus, C. (1 May 1753), Species Plantarum 2: 991 [tax. nov.]

• Type: "Habitat in Indiis."

Hooker, J.D. (29 December 1859), Introductory Essay. The botany of the Antarctic voyage of H.M. Discovery ships Erebus and Terror. III. Flora Tasmaniae 2(11): xlvi, [secondary reference]

Hamilton, A.G. (1892), On the effect which settlement in Australia has produced upon indigenous vegetation. Journal and Proceedings of the Royal Society of New South Wales 26: 236 [secondary reference]

Bailey, F.M. (1901), The Queensland Flora 4: 1220 [secondary reference]

Dixon, W.A. (1906), The Plants of New South Wales: 80 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 397 [secondary reference]

Domin, K. (1921), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 629 [secondary reference]

Backer, C.A. (December 1949), Amaranthaceae. Flora Malesiana Series I 4(2): 78-79 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 166 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 63 [secondary reference]

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1984), Amaranthaceae. Flora of South-eastern Queensland 1: 133 [secondary reference]

common name: Spiny Amaranth [n/a] common name: Needle Burr [n/a]

Jacobs, S.W.L. & Lapinpuro, L. in Harden, G.J. (ed.) (1990), Amaranthaceae. Flora of New South Wales 1: 253 [secondary reference]

common name: Nettle Burr [n/a]

Barker, R.M. & Telford, I.R.H. (1993), Amaranthaceae. Flora of Australia 50: 111 [secondary reference]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B., Elick, R.W. & Ford, A.J. (1999), Australian tropical rain forest trees and shrubs. Australian tropical rain forest trees and shrubs: 54 [secondary reference]

Jacobs, S.W.L. & Lapinpuro, L. in Harden, G.J. (ed.) (2000), Amaranthaceae. Flora of New South Wales Revised Edition 1: 253 [secondary reference]

common name: Needle Burr [n/a]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B. & Elick, R.W. (2003), Australian tropical rain forest plants. Trees, Shrubs and Vines: Code 3343 [secondary reference]

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 14 [secondary reference]

common name: Needle Burr [n/a]

National Herbarium of New South Wales (2007), PlantNET Flora of New South Wales Online: - [secondary reference]

common name: Needle Burr [n/a]

Palmer, J. (2 June 2009), A conspectus of the genus Amaranthus (Amaranthaceae) in Australia. Nuytsia 19(1): 123 [secondary reference]

• APC Dist.: ChI (doubtfully naturalised), NT (naturalised), Qld (naturalised), NSW (naturalised), Tas (naturalised)

Bean, A.R. in Bostock, P.D. & Holland, A.E. (ed.) (8 December 2010), Amaranthaceae. Census of the Queensland Flora 2010: 8 [secondary reference]

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 6 [secondary reference]

Baker, M.L., Wapstra, M. & Lawrence, D. (20 August 2019), An annotated census of the lesser-known naturalised plants of Tasmania. Muelleria 38: 30 [secondary reference]

common name: spiny pigweed [n/a]

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - APC [secondary reference]

orthographic variant: Amarantus spinosus Hook.f. orth. var.

• APC Dist.: ChI (doubtfully naturalised), NT (naturalised), Qld (naturalised), NSW (naturalised)

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