Diels, F.L.E. & Pritzel, E.G. (6 December 1904), Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 35(2-3): 516 [comb. nov.]

basionym: Chloanthes coerulea F.Muell. & Tate legitimate

Munir, A.A. (21 December 1979), A taxonomic revision of the genus Pityrodia (Chloanthaceae). Journal of the Adelaide Botanic Gardens 2(1): 35 [taxonomic synonym]

taxonomic synonym of: Pityrodia halganiacea (F.Muell.) E.Pritz. legitimate

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 145 [taxonomic synonym]

taxonomic synonym of: Pityrodia halganiacea (F.Muell.) E.Pritz. legitimate

Rye, B.L. (1 August 2000), Brachysola (Lamiaceae: Prostantheroideae), a new Western Australian genus. Nuytsia 13(2): 335 [nomenclatural synonym]

nomenclatural synonym of: Brachysola coerulea (F.Muell. & Tate) Rye legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Brachysola coerulea (F.Muell. & Tate) Rye legitimate

Western Australian Herbarium (2007), FloraBase: the Western Australian Flora Version 2.5: - [nomenclatural synonym]

nomenclatural synonym of: Brachysola coerulea (F.Muell. & Tate) Rye legitimate

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Brachysola coerulea (F.Muell. & Tate) Rye legitimate

---