Ball, J. (1877), Journal of the Linnean Society, Botany 16: 548 [comb. et stat. nov.]

basionym: Sonchus glaucescens Jord. legitimate

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

Cooke, D.A. in Jessop, J.P. & Toelken, H.R. (ed.) (1986), Flora of South Australia Edn. 4, 3: 1654 [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: Rough sowthistle [n/a]

Murray, L. in Harden, G.J. (ed.) (1992), Sonchus. Flora of New South Wales 3: 338 [secondary reference]

common name: Prickly Sowthistle [n/a]

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 373 [secondary reference]

nomenclatural synonym: Sonchus glaucescens Jord. legitimate

Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 698, Fig. 132d [secondary reference]

nomenclatural synonym: Sonchus glaucescens Jord. legitimate

Buchanan, A.M. in Buchanan, A.M. (ed.) (2005), A Census of the Vascular Plants of Tasmania Edn. 4: 13 [secondary reference]

Thompson, I.R. (22 May 2007), A taxonomic treatment of tribe Lactuceae (Asteraceae) in Australia. Muelleria 25: 75 [pro parte misapplied]

pro parte misapplied to: Sonchus asper (L.) Hill legitimate by Cooke, D.A. in Jessop, J.P. & Toelken, H.R. (ed.) (1986), Flora of South Australia Edn. 4, 3: 1654

[pro parte misapplied]

pro parte misapplied to: Sonchus asper (L.) Hill legitimate by Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 698, Fig. 132d

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

misapplied to: Sonchus asper (L.) Hill legitimate by Cooke, D.A. in Jessop, J.P. & Toelken, H.R. (ed.) (1986), Flora of South Australia Edn. 4, 3: 1654

[misapplied]

misapplied to: Sonchus asper (L.) Hill legitimate by Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 698, Fig. 132d

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - [misapplied]

misapplied to: Sonchus asper (L.) Hill legitimate by Cooke, D.A. in Jessop, J.P. & Toelken, H.R. (ed.) (1986), Flora of South Australia Edn. 4, 3: 1654

[misapplied]

misapplied to: Sonchus asper (L.) Hill legitimate by Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 698, Fig. 132d

Thompson, I.R. in Wilson, A.J.G. (ed.) (2015), Sonchus. Flora of Australia 37: 119 [pro parte misapplied]

pro parte misapplied to: Sonchus asper (L.) Hill subsp. asper legitimate by Cooke, D.A. in Jessop, J.P. & Toelken, H.R. (ed.) (1986), Flora of South Australia Edn. 4, 3: 1654

[pro parte misapplied]

pro parte misapplied to: Sonchus asper (L.) Hill subsp. asper legitimate by Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 698, Fig. 132d

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 280-281, photos 1-3 [secondary reference]

common name: Rough Sowthistle [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: 23 [misapplied]

misapplied to: Sonchus asper (L.) Hill legitimate by Buchanan, A.M. in Buchanan, A.M. (ed.) (2005), A Census of the Vascular Plants of Tasmania Edn. 4: 13

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - [misapplied]

misapplied to: Sonchus asper (L.) Hill legitimate by Cooke, D.A. in Jessop, J.P. & Toelken, H.R. (ed.) (1986), Flora of South Australia Edn. 4, 3: 1654

[misapplied]

misapplied to: Sonchus asper (L.) Hill legitimate by Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 698, Fig. 132d

[misapplied]

misapplied to: Sonchus asper (L.) Hill legitimate by Buchanan, A.M. in Buchanan, A.M. (ed.) (2005), A Census of the Vascular Plants of Tasmania Edn. 4: 13

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