Irwin, H.S. & Barneby, R.C. (1982), The American Cassiinae : a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Memoirs of the New York Botanical Garden 35(1): 77 [comb. nov.]

basionym: Cassia sect. Psilorhegma Vogel 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): 192 [secondary reference]

Randell, B.R. & Barlow, B.A. in McCarthy, P.M. (ed.) (1998), Senna. Flora of Australia 12: 99 [secondary reference]

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