Hummerlinck, P.W. (1938), Succulenta; Nederlandsche Vereeniging van Liefhebbers van Cactussen en andere Vetplanten 20: 165 [comb. nov.]

basionym: Cactus tetragonus L. legitimate

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

taxonomic synonym: Acanthocereus pentagonus (L.) Britton & Rose legitimate

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

taxonomic synonym: Cactus pentagonus L. legitimate taxonomic synonym: Cereus pentagonus (L.) Haw. legitimate taxonomic synonym: Acanthocereus pentagonus (L.) Britton & Rose legitimate

• APC Dist.: Qld (naturalised)

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