Benson, L.D. (1969), The cacti of the United States and Canada - new names and nomenclatural combinations. Cactus and Succulent Journal (Los Angeles) 41: 126 [autonym]

Benson, L.D. (1982), The Cacti of the United States and Canada: 931 [secondary reference]

taxonomic synonym: Opuntia bentonii Griffiths legitimate

Telford, I.R.H. in George, A.S. (ed.) (1984), Cactaceae. Flora of Australia 4: 72, Fig. 14E-G [secondary reference]

taxonomic synonym: Cactus opuntia var. inermis DC. legitimate taxonomic synonym: Opuntia inermis (DC.) DC. legitimate taxonomic synonym: Opuntia bentonii Griffiths legitimate

Harden, G.J. in Harden, G.J. (ed.) (1990), Cactaceae. Flora of New South Wales 1: 204 [secondary reference]

taxonomic synonym: Opuntia inermis (DC.) DC. legitimate taxonomic synonym: Opuntia bentonii Griffiths legitimate common name: Common Prickly Pear [n/a]

Stajsic, V. & Carr, G.W. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Cactaceae. Flora of Victoria 3: 128-129, Fig. 26s-u [secondary reference]

nomenclatural synonym: Cactus strictus Haw. legitimate taxonomic synonym: Cactus opuntia var. inermis DC. legitimate taxonomic synonym: Opuntia inermis (DC.) DC. legitimate

Harden, G.J. in Harden, G.J. (ed.) (2000), Cactaceae. Flora of New South Wales Revised Edition 1: 204 [secondary reference]

taxonomic synonym: Opuntia inermis (DC.) DC. legitimate taxonomic synonym: Opuntia bentonii Griffiths legitimate common name: Common Prickly Pear [n/a]

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Opuntia stricta (Haw.) Haw. legitimate

Parker, C.M. & Biggs, L.J. (1 May 2014), Updates to Western Australia's vascular plant census for 2013. Nuytsia 24: 58 [nomenclatural synonym]

nomenclatural synonym of: Opuntia stricta (Haw.) Haw. legitimate

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