Bentham, G. in Candolle, A.L.P.P. de (ed.) (1848), Labiatae. Prodromus Systematis Naturalis Regni Vegetabilis 12: 569 [tax. nov.]

• Type: "Ad Swan River (Drumm. n. 453!)"

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 102 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 147 [secondary reference]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 274 [secondary reference]

Western Australian Herbarium (2007), FloraBase: the Western Australian Flora Version 2.5: - APC [secondary reference]

• APC Dist.: WA

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