Bentham, G. in Hooker, W.J. (1 July 1836), Synopsis of the Buchnereae, a tribe of Scrophulariaceae. Companion to the Botanical Magazine 1(12): 372 [tax. nov.]

Fischer, E. in Kubitzki, K. (ed.) (2004), Scrophulariaceae. The Families and Genera of Vascular Plants 7: 369 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 661 [secondary reference]

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - APC [secondary reference]

• APC Dist.: WA (naturalised), SA (naturalised)

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