Jones, D.L. & Clements, M.A. in Banks, D.P. (ed.) (28 November 2002), A new classification of Pterostylis R.Br. (Orchidaceae). Australian Orchid Research 4: 70 [comb. nov.]

basionym: Pterostylis angusta A.S.George legitimate

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

nomenclatural synonym of: Pterostylis angusta A.S.George legitimate

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 483 [secondary reference]

nomenclatural synonym: Pterostylis angusta A.S.George legitimate common name: Narrow Shell Orchid [n/a]

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