Black, J.M. (22 December 1923), Additions to the Flora of South Australia. No. 21. Transactions and proceedings of the Royal Society of South Australia 47: 370 [tax. nov.]

• Type: "Birksgate Range, coll. R. Helms."

Black, J.M. (1924), Casuarinaceae - Euphorbiaceae. Flora of South Australia 2: 293 [secondary reference]

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 430 [basionym]

basionym of: Cassia desolata var. involucrata (J.M.Black) J.M.Black legitimate

Symon, D.E. in Eichler, Hj. (1965), Cassia. Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 180 [taxonomic synonym]

taxonomic synonym of: Cassia helmsii Symon legitimate

Symon, D.E. (December 1966), A revision of the genus Cassia L. Caesalpiniaceae in Australia. Transactions of the Royal Society of South Australia 90: 111 [secondary reference]

• Type: "Birksgate Range, far N.W. of South Australia. R. Helms, 6.vii.1891, Camp 15."
• Type: "Holotype: AD, Isotypes K, NSW, MEL."

Symon, D.E. (December 1966), A revision of the genus Cassia L. Caesalpiniaceae in Australia. Transactions of the Royal Society of South Australia 90: 111 [taxonomic synonym]

taxonomic synonym of: Cassia helmsii Symon legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 95 [taxonomic synonym]

taxonomic synonym of: Cassia helmsii Symon legitimate

Symon, D.E. in Jessop, J.P. (ed.) (1981), Caesalpinaceae. Flora of Central Australia: 109 [taxonomic synonym]

taxonomic synonym of: Cassia helmsii Symon legitimate

Randell, B.R. (19 December 1989), Revision of Cassiinae in Australia 2. Senna Miller sect. Psilorhegma (J.Vogel) Irwin & Barneby. Journal of the Adelaide Botanic Gardens 12(2): 236 [taxonomic synonym]

taxonomic synonym of: Senna artemisioides subsp. helmsii (Symon) Randell legitimate

Randell, B.R. & Barlow, B.A. in McCarthy, P.M. (ed.) (1998), Senna. Flora of Australia 12: 107 [taxonomic synonym]

taxonomic synonym of: Senna form taxon 'helmsii' [n/a]

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Senna artemisioides subsp. helmsii (Symon) Randell legitimate

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