Oliver, W.R.B. (1917), The vegetation and flora of Lord Howe Island. Transactions and Proceedings of the New Zealand Institute 49: 139 [tax. nov.]

• Type: "Habitat: A small tree in forest, Transit Hill." [Lord Howe Island].

Yakovlev, G.P. (1967), Voprosy Farmakognozii. Leningrad [St. Petersburg] 4: 57 [basionym]

basionym of: Sophora tetraptera subsp. howinsula (W.R.B.Oliv.) Yakovlev legitimate

Green, P.S. (1970), Notes relating to the floras of Norfolk and Lord Howe Islands, I. Journal of the Arnold Arboretum 51(2): 204 [basionym]

basionym of: Sophora howinsula (W.R.B.Oliv.) P.S.Green legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 127 [nomenclatural synonym]

nomenclatural synonym of: Sophora howinsula (W.R.B.Oliv.) P.S.Green legitimate

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 175 [nomenclatural synonym]

nomenclatural synonym of: Sophora howinsula (W.R.B.Oliv.) P.S.Green legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Sophora howinsula (W.R.B.Oliv.) P.S.Green legitimate

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