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): 360 [comb. nov.]

basionym: Cassia septemtrionalis Viv. legitimate

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 171 [secondary reference]

nomenclatural synonym: Cassia septemtrionalis Viv. legitimate taxonomic synonym: Cassia laevigata Willd. legitimate misapplication: Cassia floribunda Cav. nom. illeg., nom. superfl. by Turner, J.S., Smithers, C.N. & Hoogland, R.D. (1968), The conservation of Norfolk Island: 37 misapplication: Cassia floribunda Cav. nom. illeg., nom. superfl. by Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 95 misapplication: Cassia floribunda Cav. nom. illeg., nom. superfl. by Rodd, A.N. & Pickard, J. (1983), Census of vascular flora of Lord Howe Island. Cunninghamia 1: 276 common name: Acacia (Norfolk Island) [n/a]

Wiecek, B. in Harden, G.J. (ed.) (2002), Senna. Flora of New South Wales Revised Edition 2: 373 [secondary reference]

Jessup, L.W. (2003), Flora of South-eastern Queensland Volume 1 Changes to names or status of taxa: - [secondary reference]

misapplication: Cassia floribunda Cav. nom. illeg., nom. superfl. by Pedley, L. in Stanley, T.D. & Ross, E.M. (1984), Caesalpiniaceae. Flora of South-eastern Queensland 1: 391

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 108 [secondary reference]

common name: Buttercup Bush [n/a]

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Cassia septemtrionalis Viv. legitimate taxonomic synonym: Cassia laevigata Willd. legitimate misapplication: Cassia corymbosa Lam. legitimate by Ortega, C.G. de (1800), Novarum aut Rariorum Plantarum Horti Regii Botanici Natritensis Descriptionem Decades 10: 124 misapplication: Cassia laevigata Willd. legitimate by Bentham, G. (5 October 1864), Flora Australiensis 2: 282 misapplication: Cassia floribunda Cav. nom. illeg., nom. superfl. by Turner, J.S., Smithers, C.N. & Hoogland, R.D. (1968), The conservation of Norfolk Island: 37 misapplication: Cassia floribunda Cav. nom. illeg., nom. superfl. by Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 95 misapplication: Cassia floribunda Cav. nom. illeg., nom. superfl. by Rodd, A.N. & Pickard, J. (1983), Census of vascular flora of Lord Howe Island. Cunninghamia 1: 276 misapplication: Senna x floribunda (Cav.) H.S.Irwin & Barneby legitimate by Randell, B.R. & Barlow, B.A. in McCarthy, P.M. (ed.) (1998), Senna. Flora of Australia 12: 133, Figs 60, 86, Map 135

• APC Dist.: Qld (naturalised), NSW (naturalised), LHI (naturalised), NI (naturalised)

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