Bentham, G. (March 1878), Flora Australiensis 7: 711 [tax. nov.]

Maiden, J.H. (1898), Observations on the vegetation of Lord Howe Island. Proceedings of the Linnean Society of New South Wales 23(2): 144 [taxonomic synonym]

taxonomic synonym of: Alsophila robusta C.Moore ex Maiden nom. illeg.

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 582 [taxonomic synonym]

taxonomic synonym of: Cyathea robusta Holttum legitimate

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