Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 121, Fig. 4 E-H [tax. nov.]

• Type: "`Between Boyup Brook and Cranbrook, 34°01,S 116°40,E', 6 Jul. 1969, A.S. George 9385 (holo PERTH! iso CBG! K! NSW!)."

taxonomic synonym: Pterostylis vittata var. subdifformis Nicholls legitimate

Hoffman, N. & Brown, A. (1998), Orchids of South-West Australia Edn. 2 (revised): 357 [secondary reference]

common name: Cupped Banded Greenhood [n/a]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 88 [secondary reference]

Szlachetko, D.L. (28 February 2001), Genera et species Orchidalium. 1. Polish Botanical Journal 46(1): 26 [basionym]

basionym of: Oligochaetochilus concavus (D.L.Jones & M.A.Clem.) Szlach. legitimate

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: 87 [basionym]

basionym of: Urochilus concavus (D.L.Jones & M.A.Clem.) D.L.Jones & M.A.Clem. 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: 141 [nomenclatural synonym]

nomenclatural synonym of: Urochilus concavus (D.L.Jones & M.A.Clem.) D.L.Jones & M.A.Clem. legitimate

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 282 [secondary reference]

common name: Cupped banded greenhood [n/a]

• Etymology: "concave, alluding to the cupped lateral sepals"

Hoffman, N. & Brown, A. (2011), Orchids of South-West Australia Edn. 3: 420 [secondary reference]

common name: Cupped Banded Greenhood [n/a]

Backhouse, G.N., Bates, R.J., Brown, A.P. & Copeland, L.M. (1 March 2016), Checklist of the orchids of Australia including its island territories: 37, 131 [secondary reference]

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Oligochaetochilus concava Szlach. orth. var. nomenclatural synonym: Oligochaetochilus concavus (D.L.Jones & M.A.Clem.) Szlach. legitimate nomenclatural synonym: Urochilus concavus (D.L.Jones & M.A.Clem.) D.L.Jones & M.A.Clem. legitimate taxonomic synonym: Pterostylis vittata var. subdifformis Nicholls legitimate taxonomic synonym: Pterostylis concava D.L.Jones nom. inval.

• APC Dist.: WA

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 599 [nomenclatural synonym]

nomenclatural synonym of: Urochilus concavus (D.L.Jones & M.A.Clem.) D.L.Jones & M.A.Clem. legitimate

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 2: 194 [secondary reference]

common name: Cupped Banded Greenhood [n/a]

• Etymology: "From the Latin concavus (concave, curled inward, hollowed out), in reference to the prominently cupped lateral sepals."

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