Upton, W.T. (August 1967), A new species of Pterostylis for New South Wales. The Orchadian 2(9): 114, & fig. [tax. nov.]

• Type: "Swansea, N.S.W. W.T. Upton 18–6–67 Herb. N.S.W. 84898."

• Comment: Given as a hybrid by M.A.Clements, Austral. Orchid Res. 1 (1989) 121.

Jones, D.L. (1988), Native Orchids of Australia: 187 [secondary reference]

• Text: This taxon is a natural hybrid between P. ophioglossa and P. concinna."

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 121 [secondary reference]

Bishop, A. (1996), Field guide to the orchids of New South Wales and Victoria Edn. 1: 64, Plate 157 [secondary reference]

Bishop, A. (2000), Field guide to the orchids of New South Wales and Victoria Edn. 2: 64, Plate 157 [secondary reference]

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: 85 [basionym]

basionym of: Taurantha x conoglossa (Upton) 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: Taurantha x conoglossa (Upton) D.L.Jones & M.A.Clem. legitimate

Clements, M.A. & Jones, D.L. (2016), Diplodium Sw. (Pterostylidinae: Orchidaceae), in New Caledonia including the description of a new species. Australian Orchid Review 81(5): 51 [basionym]

basionym of: Diplodium x conoglossum (Upton) M.A.Clem. & D.L.Jones legitimate

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

nomenclatural synonym: Taurantha x conoglossa (Upton) D.L.Jones & M.A.Clem. legitimate nomenclatural synonym: Diplodium x conoglossum (Upton) M.A.Clem. & D.L.Jones legitimate

• APC Comment: A hybrid taxon involving Pterostylis ophioglossa and P. concinna (fide D.L.Jones, Native Orchids Australia 187 (1988)).
• APC Dist.: NSW

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 493 [nomenclatural synonym]

nomenclatural synonym of: Diplodium x conoglossum (Upton) M.A.Clem. & D.L.Jones legitimate

---