Linnaeus, C. (1 May 1753), Species Plantarum 2: 624 [tax. nov.]

Gentry, A.H. (1975), Bignonia crucigera: a case of mistaken identity. Taxon 24(1): 123 [basionym]

basionym of: Pithecoctenium crucigerum (L.) A.H.Gentry legitimate

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Pithecoctenium crucigerum (L.) A.H.Gentry legitimate

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