Candolle, A.P. de in Candolle, A.P. de (ed.) (1828), Cacteae. Prodromus Systematis Naturalis Regni Vegetabilis 3: 473 [comb. nov.]

basionym: Cactus opuntia var. inermis DC. legitimate

Maiden, J.H. (1912), Agricultural Gazette of New South Wales 23: 713 & plate. [secondary reference]

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 345 [secondary reference]

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 137 [taxonomic synonym]

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

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 94 [taxonomic synonym]

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

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1984), Cactaceae. Flora of South-eastern Queensland 1: 142 [secondary reference]

common name: Common Pest Pear [n/a]

Telford, I.R.H. in George, A.S. (ed.) (1984), Cactaceae. Flora of Australia 4: 72 [taxonomic synonym]

taxonomic synonym of: Opuntia stricta (Haw.) Haw. var. stricta legitimate

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

taxonomic synonym of: Opuntia stricta (Haw.) Haw. var. stricta legitimate

Stajsic, V. & Carr, G.W. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Cactaceae. Flora of Victoria 3: 128 [taxonomic synonym]

taxonomic synonym of: Opuntia stricta (Haw.) Haw. var. stricta legitimate

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

taxonomic synonym of: Opuntia stricta (Haw.) Haw. var. stricta legitimate

Jessup, L.W. (2003), Flora of South-eastern Queensland Volume 1 Changes to names or status of taxa: - [taxonomic synonym]

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

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

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

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