Black, J.M. (1924), Casuarinaceae - Euphorbiaceae. Flora of South Australia 2: 247 [comb. nov.]

basionym: Erysimum richardsii F.Muell. legitimate

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 157 [secondary reference]

nomenclatural synonym: Scambopus richardsii (F.Muell.) O.E.Schulz legitimate

Hewson, H.J. in George, A.S. (ed.) (9 December 1982), Brassicaceae. Flora of Australia 8: 295 [nomenclatural synonym]

nomenclatural synonym of: Phlegmatospermum richardsii (F.Muell.) E.A.Shaw legitimate

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