Bentham, G. in Martius, C.F.P. von (1 December 1870), Leguminosae II. Swartzieae et Caesalpinieae. Flora Brasiliensis 15(2): 86, 129 [tax. nov.]

• Type: Cassia absus L.

Bentham, G. (1871), Revision of the genus Cassia. Transactions of the Linnean Society of London 27(4): 557 [secondary reference]

Wit, H.C.D. de (1955), The Genus Cassia in Malaysia. Webbia; raccolta di scritti botanici 11: 278-291 [secondary reference]

Symon, D.E. (December 1966), A revision of the genus Cassia L. Caesalpiniaceae in Australia. Transactions of the Royal Society of South Australia 90: 77 [taxonomic synonym]

taxonomic synonym of: Cassia subg. Absus (DC. ex Collad.) Symon legitimate

Pedley, L. in McCarthy, P.M. (ed.) (1998), Chamaecrista. Flora of Australia 12: 138 [taxonomic synonym]

taxonomic synonym of: Chamaecrista Moench legitimate

Randell, B.R. & Barlow, B.A. in McCarthy, P.M. (ed.) (1998), Cassia. Flora of Australia 12: 138 [secondary reference]

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