Hooker, J.D. (3 September 1858), The botany of the Antarctic voyage of H.M. Discovery ships Erebus and Terror. III. Flora Tasmaniae 2(7): 95, t. 149 [tax. nov.]

• Type: "(Gunn, 1396, 1399.) ... Common in moist places throughout the Island."

Bentham, G. (March 1878), Flora Australiensis 7: 406-407 [secondary reference]

taxonomic synonym: Lepidosperma tetragonum Labill. legitimate

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 128 [secondary reference]

Mueller, F.J.H. von (1888), Key to the System of Victorian Plants 1: 454 [basionym]

basionym of: Gahnia tetraquetra (Hook.f.) F.Muell. legitimate

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 755 [basionym]

basionym of: Mariscus tetraquetrus (Hook.f.) Kuntze legitimate

Rodway, L. (1903), The Tasmanian Flora: 248 [secondary reference]

taxonomic synonym: Lepidosperma tetragonum Labill. legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 600 [secondary reference]

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 473 [basionym]

basionym of: Cladium teretifolium var. tetraquetrum (Hook.f.) Domin legitimate

Black, J.M. (1922), Cyatheaceae - Orchidaceae. Flora of South Australia 1: 95 [taxonomic synonym]

taxonomic synonym of: Cladium tetragonum (Labill.) J.M.Black legitimate

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 166 [taxonomic synonym]

taxonomic synonym of: Cladium tetragonum (Labill.) J.M.Black legitimate

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 76 [taxonomic synonym]

taxonomic synonym of: Machaerina tetragona H.Eichler nom. inval.

Jessop, J.P. in Black, J.M. (1978), Flora of South Australia Edn. 3, 1: 286 [taxonomic synonym]

taxonomic synonym of: Machaerina tetragona (Labill.) T.Koyama ex Jessop legitimate

Sharpe, P. in Stanley, T.D. & Ross, E.M. (1989), Cyperaceae. Flora of South-eastern Queensland 3: 335 [taxonomic synonym]

taxonomic synonym of: Baumea tetragona (Labill.) S.T.Blake legitimate

Wilson, K.L. in Harden, G.J. (ed.) (1993), Cyperaceae. Flora of New South Wales 4: 318 [taxonomic synonym]

taxonomic synonym of: Baumea tetragona (Labill.) S.T.Blake legitimate

Morris, D.I. in Curtis, W.M. & Morris, D.I. (1994), Baumea. The Student's Flora of Tasmania 4B: 131 [taxonomic synonym]

taxonomic synonym of: Baumea tetragona (Labill.) S.T.Blake legitimate

Wilson, K.L. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Cyperaceae. Flora of Victoria Edn. 1, 2: 274 [taxonomic synonym]

taxonomic synonym of: Baumea tetragona (Labill.) S.T.Blake legitimate

State Herbarium of South Australia (2008), Fact sheets. The Electronic Flora of South Australia: - [taxonomic synonym]

taxonomic synonym of: Baumea tetragona (Labill.) S.T.Blake legitimate

National Herbarium of New South Wales (2009), PlantNET Flora of New South Wales Online: - [taxonomic synonym]

taxonomic synonym of: Baumea tetragona (Labill.) S.T.Blake legitimate

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Baumea tetragona (Labill.) S.T.Blake legitimate

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 85 [taxonomic synonym]

taxonomic synonym of: Baumea tetragona (Labill.) S.T.Blake legitimate

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

taxonomic synonym of: Machaerina tetragona (Labill.) T.Koyama ex Jessop legitimate

---