Briggs, B.G. & Ehrendorfer, F. (30 September 1992), A revision of Australian species of Parahebe and Derwentia (Scrophulariaceae). Telopea 5(1): 265, figs 4e, 12-15 [comb. nov.]

basionym: Veronica derwentiana Andrews legitimate nomenclatural synonym: Parahebe derwentiana (Andrews) B.G.Briggs & Ehrend. legitimate taxonomic synonym: Veronica labiata R.Br. nom. illeg. taxonomic synonym: Derwentia suaveolens Raf. nom. illeg.

Briggs, B.G. & Makinson, R.O. in Harden, G.J. (ed.) (1992), Derwentia. Flora of New South Wales 3: 575-576 [secondary reference]

taxonomic synonym: Parahebe derwentiana (Andrews) B.G.Briggs & Ehrend. legitimate

Heads, M.J. (1994), A biogeographic review of Parahebe (Scrophulariaceae). Botanical Journal of the Linnean Society 115(1): 69 [nomenclatural synonym]

nomenclatural synonym of: Parahebe derwentiana (Andrews) B.G.Briggs & Ehrend. legitimate

Briggs, B.G. & Makinson, R.O. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Derwentia. Flora of Victoria 4: 507-508 [secondary reference]

nomenclatural synonym: Veronica derwentia Andrews orth. var. nomenclatural synonym: Parahebe derwentiana (Andrews) B.G.Briggs & Ehrend. legitimate common name: Derwent Speedwell [n/a]

Greuter, W.R. (ed.) (2000), International Code of Botanical Nomenclature, St. Louis, 2000. Regnum Vegetabile 138: 336 [secondary reference]

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

nomenclatural synonym of: Veronica derwentiana Andrews legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Veronica derwentiana Andrews legitimate

---