Cavanilles, A.J. (16 February 1791), Icones et Descriptiones Plantarum 1(1): 16, t. 24 [tax. nov.]

• Type: "Habitat in Imperio Mexicano. ... Vidi floridam in Regio horto Matritensi mensibus Novembri et Decembri."

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 138 [secondary reference]

Conn, B.J. in Harden, G.J. (ed.) (1992), Lamiaceae. Flora of New South Wales 3: 634-635 APC [secondary reference]

• APC Dist.: NSW (naturalised)

National Herbarium of New South Wales (2009), PlantNET Flora of New South Wales Online: - [secondary reference]

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