Black, J.M. (1909), Naturalised Flora of South Australia: 104 [tax. nov.]

• Type: "Sea coast from Port Adelaide to Cape Northumberland. ... Possibly indigenous."

• Comment: nom. illeg., non Kirk (1894).

Black, J.M. (1929), Bignoniaceae - Compositae. Flora of South Australia 4: 662 [taxonomic synonym]

taxonomic synonym of: Sonchus megalocarpus (Hook.f.) J.M.Black legitimate

Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 943 [taxonomic synonym]

taxonomic synonym of: Sonchus megalocarpus (Hook.f.) J.M.Black legitimate

Lander, N.S. (1976), Actites, A new genus of Compositae from Australia. Telopea 1(2): 130 [secondary reference]

• Neotype: "(here designated): South Australia, Black NSW 135787, – (NSW). ISOTYPE to be sent to AD."

Lander, N.S. (1976), Actites, A new genus of Compositae from Australia. Telopea 1(2): 130 [taxonomic synonym]

taxonomic synonym of: Actites megalocarpus (Hook.f.) Lander legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 71 [taxonomic synonym]

taxonomic synonym of: Actites megalocarpus (Hook.f.) Lander legitimate

Thompson, I.R. (22 May 2007), A taxonomic treatment of tribe Lactuceae (Asteraceae) in Australia. Muelleria 25: 78 [taxonomic synonym]

taxonomic synonym of: Actites megalocarpus (Hook.f.) Lander legitimate

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

taxonomic synonym of: Actites megalocarpus (Hook.f.) Lander legitimate

Thompson, I.R. in Wilson, A.J.G. (ed.) (2015), Actites. Flora of Australia 37: 122 [taxonomic synonym]

taxonomic synonym of: Actites megalocarpus (Hook.f.) Lander legitimate

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