Nees von Esenbeck, C.G.D. in Candolle, A.L.P.P. de (ed.) (25 November 1847), Acanthaceae. Prodromus Systematis Naturalis Regni Vegetabilis 11: 456 [tax. nov.]

• Type: "Var. α exhibit speciem. (R.Br. l.c.)"

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 374 [secondary reference]

Barker, R.M. (12 September 1986), A taxonomic revision of Australian Acanthaceae. Journal of the Adelaide Botanic Gardens 9: 147 [secondary reference]

• Lectotype: "R. Brown s.n., ix.1802, Shoalwater Bay (BM p.p.); isolectotype: (K p.p.)"

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

taxonomic synonym of: Pseuderanthemum variabile (R.Br.) Radlk. legitimate

---