Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 216 [tax. nov.]

• Type: "(T.) v.v."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 124 [secondary reference]

Urban, I. (1900), Symbolae Antillanae 2: 164 [basionym]

basionym of: Pycreus unioloides (R.Br.) Urb. legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 588 [secondary reference]

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 417 [secondary reference]

• Lectotype: "R. Brown, Iter australiense 1802–05 No. 5900"

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 417 [basionym]

basionym of: Pycreus unioloides (R.Br.) Domin isonym

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 417 [taxonomic synonym]

taxonomic synonym of: Pycreus unioloides var. typicus Domin nom. inval.

Kükenthal, G. in Engler, H.G.A. (1936), Cyperaceae-Scirpoideae-Cypereae. Das Pflanzenreich 101: 338-340 [secondary reference]

taxonomic synonym: Cyperus angulatus Nees legitimate

Kern, J.H. (1974), Cyperaceae. Flora Malesiana Series I 7(3): 648 [secondary reference]

nomenclatural synonym: Pycreus unioloides (R.Br.) Urb. legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 13 [secondary reference]

taxonomic synonym: Pycreus unioloides (R.Br.) Urb. legitimate

Sharpe, P. in Stanley, T.D. & Ross, E.M. (1989), Cyperaceae. Flora of South-eastern Queensland 3: 327, Fig. 48B [secondary reference]

nomenclatural synonym: Pycreus unioloides (R.Br.) Urb. legitimate

Wilson, K.L. in Harden, G.J. (ed.) (1993), Cyperaceae. Flora of New South Wales 4: 355 [secondary reference]

nomenclatural synonym: Pycreus unioloides (R.Br.) Urb. legitimate

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

nomenclatural synonym: Pycreus unioloides (R.Br.) Urb. legitimate

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

nomenclatural synonym: Pycreus unioloides (R.Br.) Urb. legitimate nomenclatural synonym: Pycreus unioloides var. typicus Domin nom. inval. nomenclatural synonym: Pycreus unioloides (R.Br.) Urb. var. unioloides legitimate nomenclatural synonym: Cyperus unioloides R.Br. f. unioloides legitimate taxonomic synonym: Pycreus angulatus (Nees) Nees legitimate taxonomic synonym: Cyperus angulatus Nees legitimate taxonomic synonym: Cyperus luteolus Boeckeler legitimate taxonomic synonym: Pycreus unioloides var. insularis Domin legitimate taxonomic synonym: Pycreus unioloides var. angulatus (Nees) Domin legitimate taxonomic synonym: Cyperus unioloides f. insularis (Domin) Kük. legitimate taxonomic synonym: Cyperus sp. Bradshaw (C.R.Michell 2091) [n/a] doubtful taxonomic synonym: Cyperus bromoides Humb. ex Link legitimate misapplication: Cyperus lanceus Thunb. legitimate by Mueller, F.J.H. von (1874), Fragmenta Phytographiae Australiae 8(71): 259

• APC Dist.: WA, NT, Qld, NSW

Percy-Bower, J.M. & Parker, C.M. (16 March 2017), Updates to Western Australia’s vascular plant census for 2016. Nuytsia 28: 121 [secondary reference]

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