Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 227 [tax. nov.]

• Type: (T.) v.v.

Poiret, J.L.M. in Lamarck, J.-B.P.A. de M. de & Poiret, J.L.M. (1 November 1817), Encyclopédie Méthodique, Botanique Suppl. 5(1): 99 [basionym]

basionym of: Scirpus rarus (R.Br.) Poir. legitimate

Bentham, G. (March 1878), Flora Australiensis 7: 316 [secondary reference]

taxonomic synonym: Fimbristylis trachycarya F.Muell. legitimate

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 126 [secondary reference]

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 753 [basionym]

basionym of: Iria rara (R.Br.) Kuntze legitimate

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 461, Fig. 102 [secondary reference]

• Lectotype: "Nord-Australien: R. Brown, Iter australiense 1802–05 No. 5950"

Gardner, C.A. (1930), Part I. Pteridophyta-Proteaceae. Enumeratio Plantarum Australiae Occidentalis: 12 [secondary reference]

Blake, S.T. (1937), Notes on Australian Cyperaceae, I. Proceedings of the Royal Society of Queensland 48(11): 91 [secondary reference]

taxonomic synonym: Fimbristylis obtusangula F.Muell. legitimate taxonomic synonym: Fimbristylis rara var. obtusangula (F.Muell.) Domin legitimate pro parte taxonomic synonym: Fimbristylis miliacea (L.) Vahl nom. illeg., nom. rej.

Blake, S.T. (1937), Notes on Australian Cyperaceae, I. Proceedings of the Royal Society of Queensland 48(11): 92 [pro parte misapplied]

pro parte misapplied to: Fimbristylis trachycarya F.Muell. legitimate by Bentham, G. (March 1878), Flora Australiensis 7: 316

Specht, R.L. in Specht, R.L. & Mountford, C.P. (ed.) (August 1958), The Gymnospermae and Angiospermae collected on the Arnhem Land Expedition. Records of the American-Australian Scientific Expedition to Arnhem Land No. 3 Botany and Plant Ecology: 205 [secondary reference]

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 225 [secondary reference]

Latz, P.K. in Jessop, J.P. (ed.) (1981), Cyperaceae (most genera). Flora of Central Australia: 500 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 41 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 26 [secondary reference]

Rye, B.L. in Wheeler, J.R. (ed.) (1992), Cyperaceae. Flora of the Kimberley Region: 1085, Fig. 317I [secondary reference]

Kenneally, K.F., Edinger, D.C. & Willing, T. (1996), Broome and Beyond. Plants and people of the Dampier Peninsula, Kimberley, Western Australia: 208 [secondary reference]

Rye, B.L. (10 October 1997), A synopsis of the annual species of Cyperaceae from central and southern Western Australia. Nuytsia 11(3): 409, Fig. 9B (map) [secondary reference]

Cowie, I.D. in Cowie, I.D., Short, P.S. & Osterkamp Madsen, M. (2000), Cyperaceae. Floodplain Flora. A flora of the coastal floodplains of the Northern Territory, Australia: 268, Fig. 60, 63 [secondary reference]

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

nomenclatural synonym: Scirpus rara Poir. orth. var. nomenclatural synonym: Scirpus rarus (R.Br.) Poir. legitimate nomenclatural synonym: Fimbristylis rara var. typica Domin nom. inval. nomenclatural synonym: Fimbristylis rara R.Br. var. rara legitimate taxonomic synonym: Fimbristylis obtusangula F.Muell. legitimate taxonomic synonym: Iriha obtusangula Kuntze orth. var. taxonomic synonym: Iria obtusangula (F.Muell.) Kuntze legitimate taxonomic synonym: Fimbristylis rara var. obtusangula (F.Muell.) Domin legitimate

• APC Comment: A.D.Chapman, Austral. Pl. Name Index 2607 (1991) stated that Poiret did not validly make the combination Scirpus rarus. However, under Article 33.1 of the 2006 (Vienna) edition of the ICBN, this name is considered to be validly published.
• APC Dist.: WA, NT, Qld

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