Fitzgerald, R.D. (March 1876), Australian Orchids 1(2): [6th plate] [tax. nov.]

• Type: "from a specimen found by me at Liverpool. I have since received exactly similar plants from Moruya and Lake George."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 112 [secondary reference]

Dixon, W.A. (1906), The Plants of New South Wales: 259 [secondary reference]

Sulman, F. (1914), A Popular Guide to the Wild Flowers of New South Wales II: 193, 236 [secondary reference]

Rupp, H.M.R. (January 1944), The Orchids of New South Wales: 14 [secondary reference]

taxonomic synonym: Diuris maculata var. concolor Benth. legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 29 [secondary reference]

taxonomic synonym: Diuris maculata var. concolor Benth. legitimate

Jones, D.L. (1988), Native Orchids of Australia: 226 [secondary reference]

common name: Buttercup Doubletail [n/a]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 66-67 [secondary reference]

• Lectotype: " 'New South Wales, Liverpool', Nov. 1870, R.D. Fitzgerald s.n. (lectotype BM! here designated, isolectotype MEL!)."

taxonomic synonym: Diuris maculata var. concolor Benth. legitimate

• APC Dist.: NSW

Jones, D.L. in Harden, G.J. (ed.) (1993), Diuris. Flora of New South Wales 4: 142, pl. 9 [secondary reference]

taxonomic synonym: Diuris maculata var. concolor Benth. legitimate common name: Buttercup Doubletail [n/a]

Bishop, A. (1996), Field guide to the orchids of New South Wales and Victoria Edn. 1: 13, Plate 21 [secondary reference]

common name: Buttercup Doubletail [n/a]

Threatened Species and Communities Section, Biodiversity Group, Environment Australia (8 July 1998), Endangered Species Protection Act 1992. Schedules 1, 2 & 3: 19 [secondary reference]

Bishop, A. (2000), Field guide to the orchids of New South Wales and Victoria Edn. 2: 13, Plate 21 [secondary reference]

common name: Buttercup Doubletail [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: 24, 71 [secondary reference]

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

taxonomic synonym: Diuris maculata var. concolor Benth. legitimate

• APC Dist.: NSW

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 225 [secondary reference]

taxonomic synonym: Diuris maculata var. concolor Benth. legitimate common name: Buttercup Donkey Orchid [n/a]

---