Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 182 [tax. nov.]

• Type: (not designated).

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 135 [secondary reference]

Mueller, F.J.H. von (1885), Systematic Census of Australian Plants Suppl. 2: 4 [secondary reference]

taxonomic synonym: Sieglingia Bernh. nom. rej.

• Comment: Mueller lists "Triodia (Sieglingia).". Since Triodia was previously accepted by Mueller on p. 135 of the Systematic Census (1882) and is also accepted in Mueller's Second Systematic Census p. 226, Sieglingia is here treated as a synonym of Triodia.

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 226 [secondary reference]

taxonomic synonym: Sieglingia Bernh. nom. rej.

Kuntze, C.E.O. in Post, T. von & Kuntze, O. (1903), Lexikon Generum Phanerogamarum: 519 [basionym]

basionym of: Sieglingia sect. Triodia (R.Br.) Kuntze legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 629 [secondary reference]

Hitchcock, A.S. (20 March 1920), The genera of grasses of the United States: with special reference to the economic species. Bulletin, United States Department of Agriculture, Washington, D.C 772: 74 [secondary reference]

• Type: Triodia pungens R.Br.

Black, J.M. (1922), Cyatheaceae - Orchidaceae. Flora of South Australia 1: 74 [secondary reference]

• Etymology: "Greek treis, three; odous, a teeth: the flowering glume is divided into 3 obtuse or acute teeth."

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 111 [secondary reference]

• Etymology: "Greek treis, three; odous, a tooth; the flowering glume is divided into 3 obtuse or acute teeth or lobes"

Burbidge, N.T. (1946), A revision of the Western Australian species of Triodia R.Br. Journal of the Royal Society of Western Australia 30: 15-33 [secondary reference]

Gardner, C.A. (1952), Gramineae. Flora of Western Australia 1(1): 63-64 [secondary reference]

Burbidge, N.T. (1953), The Genus Triodia R.Br. (Gramineae). Australian Journal of Botany 1(1): 121-184 [secondary reference]

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 62 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 55 [secondary reference]

Lazarides, M. in Jessop, J.P. (ed.) (1981), Gramineae (Poaceae). Flora of Central Australia: 444 [secondary reference]

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1989), Poaceae. Flora of South-eastern Queensland 3: 178 [secondary reference]

Jacobs, S.W.L. in Wheeler, J.R. (ed.) (1992), Triodia. Flora of the Kimberley Region: 1228-1230 [secondary reference]

Jacobs, S.W.L. & McClay, K.L. in Harden, G.J. (ed.) (1993), Poaceae p.p. Flora of New South Wales 4: 544-545 [secondary reference]

common name: Porcupine grasses [n/a] common name: Spinifex [n/a]

Walsh, N.G. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Poaceae. Flora of Victoria Edn. 1, 2: 555 [secondary reference]

Lazarides, M. (29 August 1997), A revision of Triodia including Plectrachne (Poaceae, Eragrostideae, Triodiinae). Australian Systematic Botany 10(3): 392 [secondary reference]

taxonomic synonym: Plectrachne Henrard legitimate

Lazarides, M., Weiller, C.M. & McCusker, A. in Mallett, K. (ed.) (2005), Triodia. Flora of Australia 44B: 203-204 [secondary reference]

taxonomic synonym: Plectrachne Henrard legitimate common name: Porcupine Grasses [n/a] common name: Spinifex [n/a]

• APC Dist.: WA, NT, SA, Qld, NSW, Vic

Jacobs, S.W.L., Whalley, R.D.B. & Wheeler, D.J.B. (2008), Grasses of New South Wales Edn. 4: 105 (fig.), 387 [secondary reference]

common name: Porcupine Grass [n/a] common name: Spinifex [n/a]

• Etymology: "from the Greek words for 'three' and 'teeth', referring to the lemma of some species"

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 873 [secondary reference]

taxonomic synonym: Plectrachne Henrard legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [secondary reference]

nomenclatural synonym: Sieglingia sect. Triodia (R.Br.) Kuntze legitimate taxonomic synonym: Plectrachne Henrard legitimate

• APC Dist.: WA, NT, SA, Qld, NSW, Vic

Crisp, M.D., Mant, J., Toon, A. & Cook, L.G. (2015), Australian spinifex grasses: new names in Triodia for Monodia and Symplectrodia. Phytotaxa 230(3): 294 APC [secondary reference]

taxonomic synonym: Plectrachne Henrard legitimate taxonomic synonym: Symplectrodia Lazarides legitimate taxonomic synonym: Monodia S.W.L.Jacobs legitimate

• APC Dist.: WA, NT, SA, Qld, NSW, Vic

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