Euphorbia cyathophora Murray legitimate | sensu Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49
Euphorbia heterophylla L. auct. non L.: Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 116 Euphorbia heterophylla L. auct. non L.: Rodd, A.N. & Pickard, J. (1983), Census of vascular flora of Lord Howe Island. Cunninghamia 1: 276
  • WA (naturalised), CoI (naturalised), ChI (naturalised), NT (naturalised), SA (doubtfully naturalised), Qld (naturalised), NSW (naturalised), LHI (naturalised), NI (naturalised)