Hooker, J.D. in Hooker, W.J. (1847), Florae Tasmaniae Spicilegium: or, Contributions towards a Flora of Van Diemen's Land. London Journal of Botany 6: 461, bis [tax. nov.]

• Type: "In subalpine situations; Gunn."

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 447 [taxonomic synonym]

taxonomic synonym of: Galium australe DC. legitimate

Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 273 [taxonomic synonym]

taxonomic synonym of: Galium australe DC. legitimate

McGillivray, D.J. (13 October 1983), A revision of Galium (Rubiaceae) in Australia and New Zealand. Telopea 2(4): 360 [secondary reference]

• Lectotype: "[Tasmania], Side of Western Mountains – Alt. 2000 ft., Gunn 549, 16.1.1845 (K). ISOLECTOTYPE: Gunn 549 (NSW)."

McGillivray, D.J. (13 October 1983), A revision of Galium (Rubiaceae) in Australia and New Zealand. Telopea 2(4): 360 [taxonomic synonym]

taxonomic synonym of: Galium australe DC. legitimate

Thompson, I.R. (5 January 2009), A revision of Asperula and Galium (Rubiaceae: Rubiaceae) in Australia. Muelleria 27(1): 78-79, Figs 4f, 9 APC [secondary reference]

taxonomic synonym: Galium australe var. laeve F.Muell. ex Hook.f. nom. inval., nom. nud.

• APC Comment: Hybrids between G.densum and Galium binifolium N.A.Wakef., and between G. densum and Galium gaudichaudii subsp. parviflorum I.Thomps.are recorded for Tas by I.R.Thompson, Muelleria 27(1): 79 (2009).
• APC Dist.: SA, Vic, Tas

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 72 [secondary reference]

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