Boulos, L. in Eichler, Hj. (1965), Sonchus and Embergia. Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 333 [comb. nov.]

basionym: Sonchus asper var. megalocarpus Hook.f. legitimate nomenclatural synonym: Sonchus megalocarpus (Hook.f.) J.M.Black legitimate

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

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

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

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

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Asteraceae. Flora of South-eastern Queensland 2: 596 [nomenclatural synonym]

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

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: 654 [nomenclatural synonym]

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

Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Asteraceae. Flora of Victoria 4: 700 [nomenclatural synonym]

nomenclatural 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 [nomenclatural synonym]

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

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

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

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

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

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