Thwaites, G.H.K. (1864), Enumeratio Plantarum Zeylaniae 5: 353 [tax. nov.]

Clarke, C.B. in Hooker, J.D. (April 1894), Cyperaceae. The Flora of British India 6(20): 675 [basionym]

basionym of: Cladium riparium var. crassum (Thwaites) C.B.Clarke legitimate

Kükenthal, G. (1940), Neue Cyperaceen aus dem Malayischen und Papuanischen Gebiet 1. Bulletin du Jardin Botanique de Buitenzorg ser. 3, 16: 311 [basionym]

basionym of: Cladium crassum (Thwaites) Kük. legitimate

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

doubtful taxonomic synonym of: Baumea rubiginosa (Spreng.) Boeckeler legitimate

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

doubtful taxonomic synonym of: Machaerina rubiginosa (Spreng.) T.Koyama legitimate

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