Bentham, G. in Candolle, A.L.P.P. de (ed.) (1848), Labiatae. Prodromus Systematis Naturalis Regni Vegetabilis 12: 565 [tax. nov.]

• Type: "Ad Swan River (Drumm. n. 191!)"

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 101 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 146 [secondary reference]

Wheeler, J.R. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Lamiaceae. Flora of the Perth Region 1: 560 [secondary reference]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 272 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 644 [secondary reference]

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

• APC Dist.: WA

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