Gaertner, J. (1791), De Fructibus et Seminibus Plantarum 2(3): 378, t.162 [comb. nov.]

basionym: Carduus marianus L. legitimate

Mueller, F.J.H. von (20 October 1853), First general report of the Government Botanist on the vegetation of the colony. Victoria - Parliamentary Papers- Votes and Proceedings of the Legislative Assembly: 15 [secondary reference]

Rodway, L. (1903), The Tasmanian Flora: 97 [nomenclatural synonym]

nomenclatural synonym of: Carduus marianus L. legitimate

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

common name: Virgin Mary's Thistle [n/a]

Black, J.M. (1929), Bignoniaceae - Compositae. Flora of South Australia 4: 653, Fig. 313 [secondary reference]

common name: Milk Thistle [n/a]

Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 934, Fig. 1240 [secondary reference]

common name: Milk Thistle [n/a]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 379 [secondary reference]

common name: Variegated Thistle [n/a]

Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 378 [secondary reference]

common name: Milk Thistle [n/a]

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

common name: Variegated Thistle [n/a]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 724-725 [secondary reference]

common name: Holly Thistle [n/a] common name: Lady's Thistle [n/a] common name: St. Mary's Thistle [n/a] common name: Bull Thistle [n/a] common name: Spotted Milk Thistle [n/a] common name: Spotted Thistle [n/a] common name: Milk Thistle [n/a] common name: Variegated Thistle [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 86 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 169 [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: Variegated thistle [n/a]

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Asteraceae. Flora of South-eastern Queensland 2: 583, Fig. 82D [secondary reference]

nomenclatural synonym: Carduus marianus L. legitimate common name: Variegated Thistle [n/a]

Lander, N.S. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Asteraceae. Flora of the Perth Region 2: 706 [secondary reference]

common name: Variegated Thistle [n/a]

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

common name: Variegated Thistle [n/a]

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 367 [secondary reference]

nomenclatural synonym: Carduus marianus L. legitimate

• APC Dist.: WA (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), LHI (naturalised), NI (naturalised), ACT (naturalised), Vic (naturalised), Tas (naturalised)

Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 673, Fig. 129a [secondary reference]

nomenclatural synonym: Carduus marianus L. legitimate common name: Variegated Thistle [n/a]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 528 [secondary reference]

common name: Variegated Thistle [n/a]

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

nomenclatural synonym: Carduus marianus L. legitimate nomenclatural synonym: Mariana mariana (L.) Hill nom. illeg.

• APC Dist.: WA (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), LHI (naturalised), NI (naturalised), ACT (naturalised), Vic (naturalised), Tas (naturalised)

Bean, A.R. in Wilson, A.J.G. (ed.) (2015), Asteraceae Subfam. 2. Carduoideae Trib. 1. Cardueae. Flora of Australia 37: 56, Plate 2, map [secondary reference]

nomenclatural synonym: Carduus marianus L. legitimate common name: Variegated 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: 22 [secondary reference]

nomenclatural synonym: Carduus marianus L. legitimate

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