Tryon, R. (1970), Contributions of the Gray Herbarium of Harvard University 200: 24 [comb. nov.]

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

nomenclatural synonym of: Cyathea robusta Holttum legitimate

Field, A.R. (2 January 2020), Classification and typification of Australian lycophytes and ferns based on Pteridophyte Phylogeny Group classification PPG I. Australian Systematic Botany 33(1): 37 [secondary reference]

nomenclatural synonym: Alsophila robusta C.Moore ex Maiden nom. illeg. nomenclatural synonym: Cyathea robusta Holttum legitimate

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