Heads, M.J. (1994), A biogeographic review of Parahebe (Scrophulariaceae). Botanical Journal of the Linnean Society 115(1): 71 [comb. nov.]

basionym: Derwentia derwentiana subsp. homalodonta B.G.Briggs & Ehrend. legitimate

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Derwentia derwentiana subsp. homalodonta B.G.Briggs & Ehrend. legitimate

Council of Heads of Australasian Herbaria (2008), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Veronica derwentiana subsp. homalodonta (B.G.Briggs & Ehrend.) B.G.Briggs legitimate

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