Linnaeus, C. (1 May 1753), Species Plantarum 2: 794 [tax. nov.]

• Type: "Habitat Monspelii, Florentinae."

Boulos, L. in Eichler, Hj. (1965), Sonchus and Embergia. Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 331 [secondary reference]

common name: Clammy Sow-thistle [n/a]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 170 [secondary reference]

Cooke, D.A. in Jessop, J.P. & Toelken, H.R. (ed.) (1986), Flora of South Australia Edn. 4, 3: 1653 [secondary reference]

Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 697, Fig. 134b [secondary reference]

common name: Clammy Sow-thistle [n/a]

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 oleraceus L. legitimate by Cooke, D.A. in Jessop, J.P. & Toelken, H.R. (ed.) (1986), Flora of South Australia Edn. 4, 3: 1653

[pro parte misapplied]

pro parte misapplied to: Sonchus oleraceus L. legitimate by Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 697, Fig. 134b

Thompson, I.R. in Wilson, A.J.G. (ed.) (2015), Sonchus. Flora of Australia 37: 118 [pro parte misapplied]

pro parte misapplied to: Sonchus oleraceus L. legitimate by Cooke, D.A. in Jessop, J.P. & Toelken, H.R. (ed.) (1986), Flora of South Australia Edn. 4, 3: 1653

[pro parte misapplied]

pro parte misapplied to: Sonchus oleraceus L. legitimate by Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 697, Fig. 134b

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 8-10 [secondary reference]

common name: Clammy Sowthistle [n/a]

---