Brown, R. (1830), Proteaceas Novas. Supplementum primum prodromi florae Novae Hollandiae: 8 [tax. nov.]

• Type: "Ora merid.-occid., Swan River, 1827. C. Fraser."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 66, 142 [secondary reference]

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 577 [basionym]

basionym of: Atylus asper (R.Br.) Kuntze legitimate

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 64 [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), Proteaceae. Flora of the Perth Region 1: 346 [secondary reference]

Wrigley, J.W. & Fagg, M. (1989), Banksias, Waratahs & Grevilleas and all other plants in the Australian Proteaceae family: 428 (map) [secondary reference]

• Etymology: "From Latin, asper, rough, referring to the leaves, which have a roughened surface."

Foreman, D.B. in McCarthy, P.M. (ed.) (1995), Isopogon. Flora of Australia 16: 212, Figs 55, 100, Map 208 APC [secondary reference]

nomenclatural synonym: Atylus asper (R.Br.) Kuntze legitimate taxonomic synonym: Isopogon scaber Lindl. legitimate

• APC Dist.: WA

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