Lindley, J. (1 January 1840), A Sketch of the Vegetation of the Swan River Colony: xl [tax. nov.]

• Type: (not cited).

Bentham, G. (16 December 1868), Flora Australiensis 4: 402 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 100 [secondary reference]

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): 491 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 143 [secondary reference]

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Boraginaceae. Flora of the Perth Region 1: 548, Fig. 213 [secondary reference]

Western Australian Herbarium (2007), FloraBase: the Western Australian Flora Version 2.5: - APC [secondary reference]

• APC Dist.: WA

Holstein, N. & Gottschling, M. (3 April 2018), Waking sleeping beauties: a molecular phylogeny and nomenclator of Halgania (Ehretiaceae, Boraginales). Australian Systematic Botany 31(2): 115-116 [secondary reference]

• Type: "Australia, [Western Australia,] Swan River, s.dat., J. Drummond s.n. (type: CGE, K 000815747!)."

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