Lehmann, J.G.C. (1844), Novarum et Minus Cognitarum Stirpium Pugillus 8: 50 [tax. nov.]

• Type: (not designated).

Nees von Esenbeck, C.G.D. in Lehmann, J.G.C. (ed.) (1846), Cyperaceae. Plantae Preissianae 2(1): 83 [secondary reference]

Bentham, G. (March 1878), Flora Australiensis 7: 382 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 127 [taxonomic synonym]

taxonomic synonym of: Schoenus L. legitimate

Kuntze, C.E.O. in Post, T. von & Kuntze, O. (1903), Lexikon Generum Phanerogamarum: 507 [basionym]

basionym of: Schoenus sect. Tricostularia (Lehm.) Kuntze legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 598 [secondary reference]

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 164 [secondary reference]

• Etymology: "From Latin tres, three; costula, a little rib; referring to the 3 ribbed nut"

Kükenthal, G. (1944), Vorarbeiten zu einer Monographie der Rhynchosporoideae XV. Feddes Repertorium Specierum Novarum Regni Vegetabilis 53(3): 212-217 [secondary reference]

taxonomic synonym: Discopodium Steud. nom. illeg.

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 500 [secondary reference]

Kern, J.H. (1974), Cyperaceae. Flora Malesiana Series I 7(3): 670-672 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 18 [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), Cyperaceae. Flora of the Perth Region 2: 906 [secondary reference]

Wilson, K.L. in Harden, G.J. (ed.) (1993), Cyperaceae. Flora of New South Wales 4: 315 [secondary reference]

Morris, D.I. in Curtis, W.M. & Morris, D.I. (1994), Tricostularia. The Student's Flora of Tasmania 4B: 127 [secondary reference]

Wilson, K.L. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Cyperaceae. Flora of Victoria Edn. 1, 2: 271 [secondary reference]

Goetghebeur, P. in Kubitzki, K. (ed.) (1998), Cyperaceae. The Families and Genera of Vascular Plants 4: 181 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Flora of the South West 1: 298 [secondary reference]

Council of Heads of Australasian Herbaria (2008), Australian Plant Census: - [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 870 [secondary reference]

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Discopodium Steud. nom. illeg.

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

Barrett, R.L., Bruhl, J.J. & Wilson, K.L. (16 April 2021), Revision of generic concepts in Schoeneae subtribe Tricostulariinae (Cyperaceae) with a new Australian genus Ammothryon and new species of Tricostularia. Telopea 24: 110-111 [secondary reference]

• Type: "Tricostularia compressa Nees ex Lehm."

taxonomic synonym: Discopodium Steud. nom. illeg.

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