Weber, J.Z. & Bates, R. in Black, J.M. (6 July 1978), Flora of South Australia Edn. 3, 1: 437-438, fig. 424 [comb. nov.]

basionym: Pterostylis robusta R.S.Rogers legitimate nomenclatural synonym: Pterostylis scabra var. robusta (R.S.Rogers) A.S.George legitimate taxonomic synonym: Pterostylis praecox var. robusta Ewart legitimate misapplication: Pterostylis hamiltonii Nicholls legitimate by Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 246

• Comment: nom. illeg., non (Ewart) Tovey & P.F.Morris (1922).

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

taxonomic 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 [nomenclatural synonym]

nomenclatural 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

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