Clarke, C.B. (1908), New genera and species of Cyperaceae. Bulletin of Miscellaneous Information. Additional Series 8: 13 [tax. nov.]

• Type: "AUSTRALIA. Queensland; Tambo, Wuth (hb. Kew)."

taxonomic synonym: Cyperus rotundus var. pallidus Benth. legitimate

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 434 [secondary reference]

pro parte taxonomic synonym: Cyperus rotundus var. pallidus Benth. legitimate misapplication: Cyperus esculentus L. legitimate by Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 211

Kükenthal, G. in Engler, H.G.A. (1936), Cyperaceae-Scirpoideae-Cypereae. Das Pflanzenreich 101: 114 [taxonomic synonym]

taxonomic synonym of: Cyperus rotundus subsp. retzii (Nees) Kük. 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. V [taxonomic synonym]

taxonomic synonym of: Cyperus retzii Nees nom. illeg.

Blake, S.T. (1969), Studies in Cyperaceae. Contributions from the Queensland Herbarium 8: 4 [secondary reference]

taxonomic synonym: Cyperus disruptus C.B.Clarke legitimate taxonomic synonym: Cyperus rotundus subsp. retzii (Nees) Kük. legitimate taxonomic synonym: Cyperus rotundus var. disruptus (C.B.Clarke) Kük. legitimate

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 224 [secondary reference]

Kern, J.H. (1974), Cyperaceae. Flora Malesiana Series I 7(3): 605 [taxonomic synonym]

taxonomic synonym of: Cyperus rotundus subsp. retzii (Nees) Kük. legitimate

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 157 [secondary reference]

common name: Downs Nutgrass [n/a]

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

taxonomic synonym: Cyperus retzii Nees nom. illeg. taxonomic synonym: Cyperus rotundus var. pallidus Benth. legitimate taxonomic synonym: Cyperus disruptus C.B.Clarke legitimate

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

taxonomic synonym: Cyperus retzii Nees nom. illeg. common name: Downs nut grass [n/a]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 39 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 23 [secondary reference]

Sharpe, P. in Stanley, T.D. & Ross, E.M. (1989), Cyperaceae. Flora of South-eastern Queensland 3: 311, Fig. 44K [secondary reference]

taxonomic synonym: Cyperus retzii Nees nom. illeg. common name: Downs Nutgrass [n/a] common name: Western Nutgrass [n/a]

Rye, B.L. in Wheeler, J.R. (ed.) (1992), Cyperaceae. Flora of the Kimberley Region: 1045 [secondary reference]

taxonomic synonym: Cyperus retzii Nees nom. illeg. taxonomic synonym: Cyperus rotundus subsp. retzii (Nees) Kük. legitimate common name: Downs Nutgrass [n/a]

Wilson, K.L. in Harden, G.J. (ed.) (1993), Cyperaceae. Flora of New South Wales 4: 345-346 [secondary reference]

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

Kenneally, K.F., Edinger, D.C. & Willing, T. (1996), Broome and Beyond. Plants and people of the Dampier Peninsula, Kimberley, Western Australia: 204 [secondary reference]

common name: Downs Nutgrass [n/a]

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

taxonomic synonym: Cyperus retzii Nees nom. illeg. taxonomic synonym: Cyperus rotundus subsp. retzii (Nees) Kük. legitimate common name: Downs Nut-grass [n/a]

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

common name: Downs Nutgrass [n/a]

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 retzii Nees nom. illeg. taxonomic synonym: Cyperus disruptus C.B.Clarke legitimate taxonomic synonym: Cyperus rotundus var. disruptus (C.B.Clarke) Kük. legitimate pro parte taxonomic synonym: Cyperus rotundus var. pallidus Benth. legitimate pro parte taxonomic synonym: Cyperus rotundus subsp. retzii (Nees) Kük. legitimate misapplication: Cyperus tenuiflorus Rottb. legitimate by Bailey, F.M. (1884), Contributions to the Queensland Flora, Part II. Proceedings of the Royal Society of Queensland 1(2): 89 misapplication: Cyperus lucidulus J.G.Klein ex Link legitimate by Clarke, C.B. (1884), On the Indian Species of Cyperus. Journal of the Linnean Society, Botany 21: 99 misapplication: Cyperus tenuiflorus Rottb. legitimate by Bailey, F.M. (1902), The Queensland Flora 6: 1745 misapplication: Cyperus tenuiflorus Rottb. legitimate by Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 589

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

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