Nees von Esenbeck, C.G.D. in Lehmann, J.G.C. (ed.) (1846), Cyperaceae. Plantae Preissianae 2(1): 76 [tax. nov.]

• Type: "In depressis subturfosis umbrosis prope praedium rusticum cl. Andrews ad fluvium Cygnorum, Sept. a. 1839. et in solo turfoso humido planitiei prope urbiculam Albany. Plantagenet, Oct. a. 1839. Herb. Preiss. No. 1763."

Boeckeler, J.O. (January 1874), Die Cyperaceen den Königlichen Herbariums zu Berlin. Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde 38(2): 245 [basionym]

basionym of: Baumea laxa (Nees) Boeckeler legitimate

Bentham, G. (March 1878), Flora Australiensis 7: 405 [basionym]

basionym of: Cladium laxum (Nees) Benth. legitimate

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 216 [basionym]

basionym of: Gahnia laxa (Nees) F.Muell. legitimate

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 755 [basionym]

basionym of: Mariscus laxus (Nees) Kuntze legitimate

Kükenthal, G. (1942), Vorarbeiten zu einer Monographie der Rhynchosporoideae. XIII. Repertorium Specierum Novarum Regni Vegetabilis 51: 152 [basionym]

basionym of: Cladium preissii var. laxum (Nees) Kük. legitimate

Koyama, T. (1956), Taxonomic Study of Cyperaceae V. Botanical Magazine (Tokyo) 69: 64 [basionym]

basionym of: Machaerina laxa (Nees) T.Koyama legitimate

Wilson, K.L. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Cyperaceae. Flora of Victoria Edn. 1, 2: 275 [nomenclatural synonym]

nomenclatural synonym of: Baumea laxa (Nees) Boeckeler legitimate

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

nomenclatural synonym of: Baumea laxa (Nees) Boeckeler legitimate

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Baumea laxa (Nees) Boeckeler legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Machaerina laxa (Nees) T.Koyama legitimate

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