Costa y Cuxart, A.C. (1864), Introduccion a la Flora de Cataluna y Catalogo Razonado Edn. 1: 160 [tax. nov.]

Widder, F.J. in Kraenzlin, F.W.L. (ed.) (1923), Repertorium Specierum Novarum Regni Vegetabilis Beihefte 20: 121 [basionym]

basionym of: Xanthium canescens (Costa) Widder legitimate

Orchard, A.E. in Wilson, A.J.G. (ed.) (2015), Asteraceae Trib. Heliantheae Subtrib. 7. Ambrosiinae. Flora of Australia 37: 569 [nomenclatural synonym]

nomenclatural synonym of: Xanthium canescens (Costa) Widder legitimate

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