Hooker, J.D. in Hooker, W.J. (ed.) (1854), Icones Plantarum 10: t. 985 [tax. nov.]

• Type: "New Zealand, Forster. Wycari river, Bay of Islands, A. Cunningham. Mountains of the East Coast and Interior, Rev. W. Colenso."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 137 [secondary reference]

Rodway, L. (1903), The Tasmanian Flora: 288 [secondary reference]

misapplication: Cyathea medullaris (G.Forst.) Sw. legitimate by Mueller, F.J.H. von (1875), Census of the plants of Tasmania, instituted in 1875. Monthly Notices of Papers and Proceedings of the Royal Society of Tasmania 1874: 95

Christensen, C.F.A. in Christensen, C.F.A. (ed.) (1905), Index Filicum: 191 [secondary reference]

Domin, K. (October 1914), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 27 [secondary reference]

taxonomic synonym: Cyathea boylei F.Muell. ex French legitimate

Ewart, A.J. (1925), Handbook of Forest Trees for Victorian Foresters: 38, Pl. III [secondary reference]

Tindale, M.D. (26 June 1956), The Cyatheaceae of Australia. Contributions from the New South Wales National Herbarium 2(4): 339-342, Pl. 12 (3), Pl. 15 (left) [secondary reference]

• Lectotype: "I have chosen as the LECTOTYPE a specimen labelled "New Zealand, Colenso" in the Kew Herbarium ... This is apparently the specimen cited by Hooker as mountains of the East Coast and Interior, W. Colenso."

taxonomic synonym: Cyathea boylei F.Muell. ex French legitimate pro parte misapplication: Cyathea medullaris (G.Forst.) Sw. legitimate by Bentham, G. (March 1878), Flora Australiensis 7: 708-709

Holttum, R.E. (1964), The tree-ferns of the genus Cyathea in Australasia and the Pacific. Blumea 12(2): 250-251 [secondary reference]

Tryon, R. (1970), Contributions of the Gray Herbarium of Harvard University 200: 36 [basionym]

basionym of: Alsophila cunninghamii (Hook.f.) R.M.Tryon legitimate

Willis, J.H. (1970), A Handbook to Plants in Victoria Edn. 2, 1: 17 [secondary reference]

pro parte misapplication: Cyathea medullaris (G.Forst.) Sw. legitimate by Ewart, A.J. (1931), Flora of Victoria: 34 vernacular name: Slender Tree-fern [n/a]

Thomas, M.B. & McDonald, W.J.F. (1987), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 1: 10 [secondary reference]

Thomas, M.B. & McDonald, W.J.F. (1989), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 2: 10 [secondary reference]

Wilson, Peter G. in Harden, G.J. (ed.) (1990), Cyatheaceae. Flora of New South Wales 1: 43 [secondary reference]

common name: Slender Treefern [n/a]

Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Ferns and Allied Plants. Flora of Victoria Edn. 1, 2: 69, Fig. 15i-k [secondary reference]

nomenclatural synonym: Alsophila cunninghamii (Hook.f.) R.M.Tryon legitimate common name: Slender Tree-fern [n/a]

Bostock, P.D. in McCarthy, P.M. (ed.) (1998), Cyatheaceae. Flora of Australia 48: 198-199, Figs 60, 63, Map 169 [secondary reference]

nomenclatural synonym: Alsophila cunninghamii (Hook.f.) R.M.Tryon legitimate taxonomic synonym: Cyathea boylei F.Muell. ex French legitimate common name: Slender Tree Fern [n/a]

Wilson, Peter G. in Harden, G.J. (ed.) (2000), Cyatheaceae. Flora of New South Wales Revised Edition 1: 43 [secondary reference]

common name: Slender Treefern [n/a]

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [secondary reference]

orthographic variant: Cyathea cunninghami Hook.f. orth. var. nomenclatural synonym: Alsophila cunninghamii (Hook.f.) R.M.Tryon legitimate taxonomic synonym: Cyathea boylei F.Muell. ex French legitimate

• APC Dist.: Qld, NSW, Vic, Tas

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): 35 [secondary reference]

• Type: "New Zealand, W.Colenso 1780 (lecto: K 000061807*"

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): 35 [nomenclatural synonym]

nomenclatural synonym of: Alsophila cunninghamii (Hook.f.) R.M.Tryon legitimate

Brown, G.K. & Bostock, P.D. (December 2020), Appendix A: New names and name and status changes 2019 to 2020. Introduction to the Census of the Queensland Flora 2020: 7 [nomenclatural synonym]

nomenclatural synonym of: Alsophila cunninghamii (Hook.f.) R.M.Tryon legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - APC [secondary reference]

orthographic variant: Cyathea cunninghami Hook.f. orth. var. nomenclatural synonym: Alsophila cunninghamii (Hook.f.) R.M.Tryon legitimate taxonomic synonym: Cyathea boylei F.Muell. ex French legitimate pro parte misapplication: Cyathea medullaris (G.Forst.) Sw. legitimate by Bentham, G. (March 1878), Flora Australiensis 7: 708-709 pro parte misapplication: Cyathea medullaris (G.Forst.) Sw. legitimate by Ewart, A.J. (1931), Flora of Victoria: 34

• APC Comment: Treated as Alsophila cunninghamii in Qld.
• APC Dist.: Qld, NSW, Vic, Tas

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