Pennell, F.W. (1935), Scrophulariaceae of eastern temperate North America: 342 [comb. nov.]

basionym: Veronica xalapensis Kunth legitimate

Barker, R.M. in Jessop, J.P. (ed.) (September 1993), Scrophulariaceae. A list of the vascular plants of South Australia Edn. 4: 81 [secondary reference]

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

nomenclatural synonym: Veronica peregrina var. xalapensis (Kunth) Pennell legitimate taxonomic synonym: Veronica xalapensis Kunth legitimate

• APC Dist.: SA (naturalised), Qld (doubtfully naturalised), ACT (naturalised), Vic (naturalised)

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