Linnaeus, C. (1 May 1753), Species Plantarum 1: 133 [tax. nov.]

• Type: "Habitat in Europae ruderata, vias, agros."

Bentham, G. (1834), Labiatarum Genera et Species 4: 385 [secondary reference]

Gusuleac, M. (1927), Buletinal Faculatii de Stiinte din Cernauti: 99-105 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 89 [secondary reference]

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [misapplied]

misapplied to: Anchusa arvensis (L.) M.Bieb. legitimate by Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 89

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