Kunth, K.S. in Humboldt, F.W.H.A. von, Bonpland, A.J.A. & Kunth, K.S. (1819), Nova Genera et Species Plantarum Edn. Quarto, 3(10): 128 [tax. nov.]

Gibson, D.N. (1968), Fieldiana: Botany 31(15): 353 [basionym]

basionym of: Wigandia urens var. caracasana (Kunth) D.N.Gibson legitimate

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Hydrophyllaceae. Flora of South-eastern Queensland 2: 467-468 [secondary reference]

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Wigandia urens var. caracasana (Kunth) D.N.Gibson legitimate

---