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: 121 [tax. nov.]

• Type: "Circular Head and Recherche Bay, &c."

Wilson, Paul G. in Eichler, Hj. (1965), Gnaphalium. Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 313 [taxonomic synonym]

taxonomic synonym of: Gnaphalium japonicum Thunb. legitimate

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

orthographic variant: Gnaphalium collinum var. billardieri Paul G.Wilson orth. var.

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

taxonomic synonym of: Euchiton japonicus (Thunb.) Holub legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Euchiton japonicus (Thunb.) Holub legitimate

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Euchiton japonicus (Thunb.) Holub legitimate

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