Steetz, J. in Lehmann, J.G.C. (ed.) (1845), Compositae. Plantae Preissianae 1(3): 441 [tax. nov.]

• Type: Pachysurus angianthoides Steetz

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 573 [taxonomic synonym]

taxonomic synonym of: Calocephalus R.Br. legitimate

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 83 [taxonomic synonym]

taxonomic synonym of: Calocephalus R.Br. legitimate

Anderberg, A.A. (1991), Taxonomy and Phylogeny of the Tribe Gnaphalieae (Asteraceae). Opera Botanica 104: 130 [taxonomic synonym]

taxonomic synonym of: Gnephosis Cass. legitimate

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

orthographic variant: Pachysura F.Muell. orth. var.

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

taxonomic synonym of: Calocephalus R.Br. legitimate

Short, P.S. (15 December 2016), Notes concerning the classification of species included in Calocephalus R.Br. s.lat. and Gnephosis Cass. s.lat. (Asteraceae: Gnaphalieae), with descriptions of new genera and species. Journal of the Adelaide Botanic Gardens 29: 189 [taxonomic synonym]

taxonomic synonym of: Gnephosis Cass. legitimate

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Gnephosis Cass. legitimate

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