Riccobono, V. (1909), Bollettino delle R[eale] Orto Botanico di Palermo 8: 238 [comb. nov.]

basionym: Cereus bonplandii Parm. ex Pfeiff. legitimate

Halford, D.A. in Henderson, R.J.F. (ed.) (1994), Cactaceae. Queensland Vascular Plants: Names and Distribution: 55 [secondary reference]

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

taxonomic synonym of: Harrisia regelii (Weing.) Borg legitimate

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