Euphorbia norfolkiana Boiss. legitimate | sensu Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49
Euphorbia glauca G.Forst. auct. non G.Forst.: Endlicher, S.F.L. (1833), Prodromus Florae Norfolkicae: 86 Euphorbia glauca G.Forst. auct. non G.Forst.: Laing, R.M. (1915), A revised list of the Norfolk Island flora, with some notes on the species. Transactions and Proceedings of the New Zealand Institute 47: 29 Euphorbia glauca G.Forst. auct. non G.Forst.: Turner, J.S., Smithers, C.N. & Hoogland, R.D. (1968), The conservation of Norfolk Island: 34 Euphorbia obliqua Endl. auct. non Endl.: Maiden, J.H. (1904), The Flora of Norfolk Island. Part i. Proceedings of the Linnean Society of New South Wales 28(4): 715 Euphorbia tannensis Spreng. auct. non Spreng.: Moore, C. (1893), Appendix I: Lord Howe and Norfolk Island plants excluded from the descriptive part of the flora of New South Wales. Handbook of the Flora of New South Wales: 518 Euphorbia tannensis Spreng. auct. non Spreng.: Seemann, B.C. (1867), Flora Vitiensis 6: 217
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