Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 213 [tax. nov.]

• Type: "(J.)v.v."

Bentham, G. (March 1878), Flora Australiensis 7: 269 [taxonomic synonym]

taxonomic synonym of: Cyperus trinervis R.Br. legitimate

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 423 [secondary reference]

• Lectotype: "Hunters River (R. Brown, Iter australiense 1802–05 No. 5915 ...)"

taxonomic synonym: Cyperus enervis var. laxus Benth. legitimate pro parte misapplication: Cyperus trinervis R.Br. legitimate by Bentham, G. (March 1878), Flora Australiensis 7: 269

Blake, S.T. (1940), Notes on Australian Cyperaceae, III. Proceedings of the Royal Society of Queensland 51(5): 39 [taxonomic synonym]

taxonomic synonym of: Cyperus laevis R.Br. legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 12 [secondary reference]

taxonomic synonym: Cyperus enervis var. laxus Benth. legitimate taxonomic synonym: Cyperus trinervis var. laxus (Benth.) Kük. legitimate

Wilson, K.L. in Harden, G.J. (ed.) (1993), Cyperaceae. Flora of New South Wales 4: 343 [secondary reference]

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

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

taxonomic synonym: Cyperus enervis var. laxus Benth. legitimate taxonomic synonym: Cyperus trinervis var. laxus (Benth.) Kük. legitimate

• APC Dist.: Qld, NSW

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