Linnaeus, C. (1 May 1753), Species Plantarum 2: 911 [tax. nov.]

• Type: "Habitat inter Europae segetes biennes."

Schlechtendal, D.F.L. von (December 1847), Sudaustralische Pflanzen. II. Bestimmung und Beschreibung der von Dr Behr in Sudaustralien gesammelten Pflanzen. Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde 20: 555 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 276 [secondary reference]

common name: Corn-flower [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 75 [secondary reference]

Murray, L. in Harden, G.J. (ed.) (1992), Centaurea. Flora of New South Wales 3: 326 [secondary reference]

common name: Cornflower [n/a]

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - APC [secondary reference]

• APC Dist.: NSW (formerly naturalised), Tas (doubtfully naturalised)

Bean, A.R. in Wilson, A.J.G. (ed.) (2015), Asteraceae Subfam. 2. Carduoideae Trib. 1. Cardueae. Flora of Australia 37: 75 [secondary reference]

• Text: "... not considered to be currently naturalised in Australia... C. cyanus was collected once in 1948 at Cooma, N.S.W., as a garden escape."

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 12 [secondary reference]

Baker, M.L., Wapstra, M. & Lawrence, D. (20 August 2019), An annotated census of the lesser-known naturalised plants of Tasmania. Muelleria 38: 31 [secondary reference]

common name: cornflower [n/a]

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