Linnaeus, C. (1763), Species Plantarum Edn. 2, 2: 1159 [tax. nov.]

• Type: (none cited).

Audas, J.W.C. & Morris, P.F. (1925), Journal of the Department of Agriculture, Victoria 23: 110 [secondary reference]

Black, J.M. (1929), Bignoniaceae - Compositae. Flora of South Australia 4: 654 [secondary reference]

common name: Stemless Onopordon [n/a]

Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 935, Fig. 1242 [secondary reference]

common name: Stemless Onopordum [n/a]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 725-726 [secondary reference]

common name: Stemless Onopordon [n/a] common name: StemlessThistle [n/a]

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

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 168 [secondary reference]

Murray, L. in Harden, G.J. (ed.) (1992), Onopordum. Flora of New South Wales 3: 324, pl.11 [secondary reference]

common name: Stemless Thistle [n/a]

Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 667, Fig. 128b [secondary reference]

common name: Stemless Onopordum [n/a]

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

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

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

orthographic variant: Onopordum acaule J.M.Black orth. var.

• APC Dist.: WA (naturalised), SA (naturalised), NSW (naturalised), Vic (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: 63, Plate 4, map [secondary reference]

common name: Stemless Thistle [n/a]

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 20 [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: 32 [secondary reference]

common name: stemless thistle [n/a]

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

orthographic variant: Onopordum acaule J.M.Black orth. var.

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

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