Meisner, C.D.F. in Hooker, W.J. (ed.) (1855), New Proteaceae of Australia. Hooker's Journal of Botany and Kew Garden Miscellany 7: 117 [tax. nov.]

• Type: "Drummond, coll. vi. n. 193"

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 71 [secondary reference]

Diels, F.L.E. & Pritzel, E.G. (6 December 1904), Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 35(2-3): 164-165 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 64 [secondary reference]

Wrigley, J.W. & Fagg, M. (1989), Banksias, Waratahs & Grevilleas and all other plants in the Australian Proteaceae family: 385 (plate), 397-398 (fig., map) [secondary reference]

• Etymology: "From Greek, pycno-, dense or close, and neuron, a nerve: refers to the close venation of the leaves."

Barker, R.M., Haegi, L. & Barker, W.R. in Wilson, A.J.G. (ed.) (1999), Hakea. Flora of Australia 17B: 154, Fig. 20H-J, Map 151 APC [secondary reference]

• APC Dist.: WA

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