Haworth, A.H. (1821), Revisiones Plantarum Succulentarum: 175 [tax. nov.]

Prescott, A. & Venning, J. in George, A.S. (ed.) (1984), Aizoaceae. Flora of Australia 4: 24 [nomenclatural synonym]

nomenclatural synonym of: Psilocaulon tenue (Haw.) Schwantes legitimate

Walsh, N.G. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Aizoaceae. Flora of Victoria 3: 108 [nomenclatural synonym]

nomenclatural synonym of: Psilocaulon tenue (Haw.) Schwantes legitimate

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