Clarke, C.B. (1908), New genera and species of Cyperaceae. Bulletin of Miscellaneous Information. Additional Series 8: 12 [tax. nov.]

• Type: "AUSTRALIA. Victoria; Murray River, F. Mueller."

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 433 [secondary reference]

taxonomic synonym: Cyperus rotundus var. amaliae C.B.Clarke legitimate

Blake, S.T. (1942), Cyperus rotundus (Nut Grass) and its allies in Australia. University of Queensland, Department of Biology, Papers 2(2): 8, pl. III [secondary reference]

pro parte taxonomic synonym: Cyperus rotundus var. amaliae C.B.Clarke legitimate pro parte misapplication: Cyperus corymbosus var. longispiculatus (Kuntze) Kük. legitimate by Kükenthal, G. in Engler, H.G.A. (1936), Cyperaceae-Scirpoideae-Cypereae. Das Pflanzenreich 101: 82 pro parte misapplication: Cyperus corymbosus var. scariosus (R.Br.) Kük. legitimate by Kükenthal, G. in Engler, H.G.A. (1936), Cyperaceae-Scirpoideae-Cypereae. Das Pflanzenreich 101: 83 pro parte misapplication: Cyperus rotundus subsp. retzii (Nees) Kük. legitimate by Kükenthal, G. in Engler, H.G.A. (1936), Cyperaceae-Scirpoideae-Cypereae. Das Pflanzenreich 101: 114 misapplication: Cyperus rotundus L. legitimate by Bentham, G. (March 1878), Flora Australiensis 7: 279

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 142, Fig. 190 [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]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 163-164 [secondary reference]

common name: Flat Sedge [n/a] common name: Yelka [n/a]

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

Wilson, K.L. in Jessop, J.P. (ed.) (1981), Cyperacee - Cyperus, Lepidosperma, Baumea. Flora of Central Australia: 505, Fig. 637G [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 40 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 25 [secondary reference]

Sharpe, P. in Stanley, T.D. & Ross, E.M. (1989), Cyperaceae. Flora of South-eastern Queensland 3: 312 [secondary reference]

Wilson, K.L. in Harden, G.J. (ed.) (1993), Cyperaceae. Flora of New South Wales 4: 346 [secondary reference]

Wilson, K.L. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Cyperaceae. Flora of Victoria Edn. 1, 2: 297-298 [secondary reference]

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

common name: Yelka [n/a] common name: Flat-sedge [n/a]

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

Western Australian Herbarium (2011), FloraBase: the Western Australian Flora Version 2.6: - [secondary reference]

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

taxonomic synonym: Cyperus enodis var. longispiculatus Kuntze legitimate taxonomic synonym: Cyperus corymbosus var. longispiculatus (Kuntze) Kük. legitimate pro parte taxonomic synonym: Cyperus rotundus var. amaliae C.B.Clarke legitimate

• APC Dist.: WA, NT, SA, Qld, NSW, Vic

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