George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 190, 191-192 [comb. et stat. nov.]

basionym: Pterostylis robusta R.S.Rogers legitimate taxonomic synonym: Pterostylis hamiltonii Nicholls legitimate misapplication: Pterostylis pyramidalis Lindl. legitimate by Endlicher, S.F.L. in Lehmann, J.G.C. (ed.) (1846), Orchideae. Plantae Preissianae 2(1): 5

Weber, J.Z. & Bates, R. in Black, J.M. (6 July 1978), Flora of South Australia Edn. 3, 1: 438 [nomenclatural synonym]

nomenclatural synonym of: Pterostylis alata var. robusta (R.S.Rogers) J.Z.Weber & R.J.Bates nom. illeg.

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 33 [secondary reference]

taxonomic synonym: Pterostylis robusta R.S.Rogers legitimate

Hoffman, N. & Brown, A. (1984), Orchids of South-West Australia: 288-289 [secondary reference]

common name: Green-veined Shell Orchid [n/a] common name: Red Shell Orchid [n/a]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 126 [nomenclatural synonym]

nomenclatural synonym of: Pterostylis robusta R.S.Rogers legitimate

Bates, R.J. & Weber, J.Z. (7 December 1990), Orchids of South Australia: 140 [nomenclatural synonym]

nomenclatural synonym of: Pterostylis robusta R.S.Rogers legitimate

Jones, D.L. in Harden, G.J. (ed.) (1993), Pterostylis. Flora of New South Wales 4: 179 [nomenclatural synonym]

nomenclatural synonym of: Pterostylis robusta R.S.Rogers legitimate

Jones, D.L. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Pterostylis. Flora of Victoria Edn. 1, 2: 809 [nomenclatural synonym]

nomenclatural synonym of: Pterostylis robusta R.S.Rogers legitimate

Jones, D.L., Clements, M.A. & Molloy, B.P.J. in Banks, D.P. (ed.) (28 November 2002), A synopsis of the subtribe Pterostylidinae. Australian Orchid Research 4: 128 [taxonomic synonym]

taxonomic synonym of: Diplodium robustum (R.S.Rogers) D.L.Jones & M.A.Clem. legitimate

Barker, W.R., Barker, R.M., Jessop, J. & Vonow, H. (ed.) (18 March 2005), Census of South Australian Vascular Plants 5th Edition. Journal of the Adelaide Botanic Gardens Supplement 1: 200 [nomenclatural synonym]

nomenclatural synonym of: Pterostylis robusta R.S.Rogers legitimate

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Pterostylis robusta R.S.Rogers legitimate

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 490 [nomenclatural synonym]

nomenclatural synonym of: Diplodium robustum (R.S.Rogers) D.L.Jones & M.A.Clem. legitimate

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