Rupp, H.M.R. (1942), The section Genoplesium in the genus Prasophyllum (Orchidaceae): Part I. The Victorian Naturalist 59(7): 123-124, & fig. [tax. nov.]

• Type: "Loftus, near National Park, N.S.W., in sandy soil, Mr. and Mrs. E. Nubling, 5/1929. (Type.)"

• Etymology: "The species is named in honour of Mr. W. H. Nicholls. of Footscray, Melbourne, whose orchidological work is so widely known and appreciated, and who has given much attention to the section Genoplesium."

Rupp, H.M.R. (January 1944), The Orchids of New South Wales: 31 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 475 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 32 [secondary reference]

Jones, D.L. (1988), Native Orchids of Australia: 276-277 [secondary reference]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 114 [secondary reference]

taxonomic synonym: Prasophyllum longisepalum Nubl. nom. inval., nom. nud.

Jones, D.L. & Clements, M.A. (September 1989), Reinterpretation of the genus Genoplesium R.Br. (Orchidaceae: Prasophyllinae). Lindleyana 4(3): 143 [taxonomic synonym]

taxonomic synonym of: Genoplesium nudiscapum (Hook.f.) D.L.Jones & M.A.Clem. legitimate

Jones, D.L. in Harden, G.J. (ed.) (1993), Genoplesium. Flora of New South Wales 4: 165 [taxonomic synonym]

taxonomic synonym of: Genoplesium nudiscapum (Hook.f.) D.L.Jones & M.A.Clem. legitimate

Jones, D.L. (2017), Characterisation of Corunastylis nudiscapa, Corunastylis densa (Orchidaceae: Prasophyllinae) and the description of Corunastylis leptochila, a related new species. Australian Orchid Review 82(5): 54 [taxonomic synonym]

taxonomic synonym of: Corunastylis densa (Fitzg.) D.L.Jones & M.A.Clem. legitimate

Jones, D.L. & Clements, M.A. (2018), Newly recognised and reinstated species of Corunastylis Fitzg. (Orchidaceae: Prasophyllinae), with a proposed infrageneric classification of the genus. Australian Orchid Review 83(1): 55 [basionym]

basionym of: Corunastylis nichollsiana (Rupp) D.L.Jones & M.A.Clem. legitimate

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

taxonomic synonym of: Genoplesium sp. Densum (M.A.Clements 1748) Australian National Herbarium [n/a]

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 385 [nomenclatural synonym]

nomenclatural synonym of: Corunastylis nichollsiana (Rupp) D.L.Jones & M.A.Clem. legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Corunastylis densa (Fitzg.) D.L.Jones & M.A.Clem. legitimate

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