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

basionym: Lepidosperma tetragonum Labill. legitimate taxonomic synonym: Cladium tetraquetrum Hook.f. legitimate

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 166, Fig. 224 [secondary reference]

nomenclatural synonym: Lepidosperma tetragonum Labill. legitimate taxonomic synonym: Cladium tetraquetrum Hook.f. legitimate

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 502 [secondary reference]

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 [nomenclatural synonym]

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

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 10 [nomenclatural synonym]

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

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

nomenclatural 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 [nomenclatural synonym]

nomenclatural 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 [nomenclatural synonym]

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

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

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

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

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

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

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

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