Linnaeus, C. (1 May 1753), Species Plantarum 2: 827 [tax. nov.]

• Type: "Habitat in Europa australi."

Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 394 [secondary reference]

common name: Illyrian Thistle [n/a]

Willis, J.H. (1973), A Handbook to Plants in Victoria Edn. 2, 2: 763 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 83 [secondary reference]

Gray, M. & Michael, P.W. (1986), List of plants collected at the old Flemington Saleyards, Sydney, New South Wales. Plant Protection Quarterly 1(4): 137 [secondary reference]

common name: Illyrian thistle [n/a]

Council of Heads of Australasian Herbaria (2008), Australian Plant Census: - [secondary reference]

• APC Dist.: SA (naturalised), NSW (naturalised), Vic (naturalised)

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

nomenclatural synonym: Onopordum illyricum L. subsp. illyricum legitimate

• APC Comment: Hybrids between Onopordum illyricum and O. acanthium have been recorded from NSW and the ACT. Treated as Onopordum illyricum in Vic.
• APC Dist.: SA (naturalised), NSW (naturalised), Vic (naturalised)

Bean, A.R. in Wilson, A.J.G. (ed.) (2015), Asteraceae Subfam. 2. Carduoideae Trib. 1. Cardueae. Flora of Australia 37: 65, Fig. 3F-I, map [secondary reference]

common name: Illyrian Thistle [n/a]

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - [secondary reference]

nomenclatural synonym: Onopordum illyricum L. subsp. illyricum legitimate

• APC Dist.: SA (naturalised), NSW (naturalised), Vic (naturalised)

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - [misapplied]

misapplied to: Onopordum acanthium L. x Onopordum illyricum L. legitimate by Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 394

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Onopordum illyricum L. subsp. illyricum legitimate taxonomic synonym: Onopordum sp. [n/a]

• APC Dist.: SA (naturalised), NSW (naturalised), Vic (naturalised)

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