Watts, W.W. (26 February 1915), Some notes on the ferns of north Queensland. Proceedings of the Linnean Society of New South Wales 39: 257 [tax. nov.]

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 604, Fig. 106I-K APC [secondary reference]

• Lectotype: "[slopes of Mt Lidgbird], Lord Howe Is., [1911], W.W.Watts; holo: NSW; iso: BRI."

misapplication: Aspidium aculeatum (L.) Sw. legitimate by Mueller, F.J.H. von (June 1875), Fragmenta Phytographiae Australiae 9(75): 78 misapplication: Aspidium capense (L.f.) Sw. legitimate by Bentham, G. (March 1878), Flora Australiensis 7: 758 misapplication: Aspidium capense (L.f.) Sw. legitimate by Hemsley, W.B. (1896), The Flora of Lord Howe Island. Annals of Botany 10(2): 265 misapplication: Polystichum moorei Christ legitimate by Watts, W.W. (1913), Proceedings of the Linnean Society of New South Wales 37: 399-401

• APC Dist.: LHI

Tindale, M.D. & Roy, S.K. (23 December 2002), A cytotaxonomic survey of the Pteridophyta of Australia. Australian Systematic Botany 15(6): 858 [secondary reference]

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): 77 [secondary reference]

• Lectotype: "slopes of Mount Lidgbird, Lord Howe Island, 8 July 1911, W.W.Watts s.n. (lecto: NSW n.v. [NSW 636625 n.v., NSW 663626 n.v., NSW 663227 n.v., NSW 464947 n.v.]"

• Text: "Green (1994, p. 604) cited ‘holo:NSW’ and this is here treated as effective (first-step) lectotypification by Green, in accordance with ICN Art. 7.11 (Turland et al. 2018). At least four syntypes of Polystichum whiteleggei are known, but a second-step selection has not been made because I have not seen the available material and not all of the material has been incorporated into the herbarium."

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