Engelmann, G. (1857), Synopsis of the Cactaceae of the territory of the United States and adjacent regions. Proceedings of the American Academy of Arts and Sciences 3: 294 [tax. nov.]

Harden, G.J. in Harden, G.J. (ed.) (1990), Cactaceae. Flora of New South Wales 1: 203 [secondary reference]

Stajsic, V. & Carr, G.W. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Cactaceae. Flora of Victoria 3: 123 [misapplied]

misapplied to: Opuntia puberula Pfeiff. legitimate by Harden, G.J. in Harden, G.J. (ed.) (1990), Cactaceae. Flora of New South Wales 1: 203

Harden, G.J. in Harden, G.J. (ed.) (2000), Cactaceae. Flora of New South Wales Revised Edition 1: 203 [secondary reference]

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

misapplied to: Opuntia puberula Pfeiff. legitimate by Harden, G.J. in Harden, G.J. (ed.) (1990), Cactaceae. Flora of New South Wales 1: 203

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - [misapplied]

misapplied to: Opuntia puberula Pfeiff. legitimate by Harden, G.J. in Harden, G.J. (ed.) (1990), Cactaceae. Flora of New South Wales 1: 203

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