Mueller, F.J.H. von (1890), Descriptions of hitherto unrecorded Australian plants, with additional phyto-geographic notes. Proceedings of the Linnean Society of New South Wales, Series 2 5(1): 188 [tax. nov.]

• Type: "Near Mount Hale."

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

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - APC [secondary reference]

orthographic variant: Halgania gustafseni F.Muell. orth. var.

• APC Dist.: WA

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

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

• Lectotype: "here designated: MEL 80051!)..."

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