Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 316 [tax. nov.]

• Type: "(M.) v.v."

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

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 178 [secondary reference]

• Type: "King George Sound, R. Brown, Dec., 1801 — holo.:BM, iso.:BM."

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 55 [secondary reference]

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Orchidaceae. Flora of the Perth Region 2: 822 [secondary reference]

taxonomic synonym: Diuris pauciflora R.Br. legitimate common name: Tall Donkey Orchid [n/a]

Jones, D.L. (1988), Native Orchids of Australia: 232-233 [secondary reference]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 68 [secondary reference]

• Lectotype: "`King George III Sound', Dec. 1801, R. Brown s.n. (lectotype specimen BM!, here designated, isolectotype BM!)."

nomenclatural synonym: Diuris setacea var. emarginata (R.Br.) Domin legitimate

Hoffman, N. & Brown, A. (1992), Orchids of South-West Australia Edn. 2: 407 [secondary reference]

common name: Late Donkey Orchid [n/a]

Hoffman, N. & Brown, A. (1998), Orchids of South-West Australia Edn. 2 (revised): 407 [secondary reference]

common name: Late Donkey Orchid [n/a]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Flora of the South West 1: 364 [secondary reference]

common name: Late Donkey Orchid [n/a]

Barker, W.R., Barker, R.M., Jessop, J. & Vonow, H. (ed.) (18 March 2005), Census of South Australian Vascular Plants 5th Edition. Journal of the Adelaide Botanic Gardens Supplement 1: 197 [misapplied]

misapplied to: Diuris brevifolia R.S.Rogers legitimate by Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 316

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 174 [secondary reference]

common name: Late donkey orchid [n/a]

• Etymology: "bordered, alluding to the two ridges along the labellum midlobe"

Hoffman, N. & Brown, A. (2011), Orchids of South-West Australia Edn. 3: 489 [secondary reference]

common name: Late Donkey Orchid [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, 128 [secondary reference]

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

nomenclatural synonym: Diuris setacea var. emarginata (R.Br.) Domin legitimate nomenclatural synonym: Diuris emarginata R.Br. var. emarginata legitimate

• APC Dist.: WA

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 241-242 [secondary reference]

common name: Late Donkey Orchid [n/a]

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 1: 288 [secondary reference]

common name: Late Donkey Orchid [n/a]

• Etymology: "From the Latin e (out of) and -marginatus (edge, margin), in reference to the notched ridge along the length of the labellum."

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