George, A.S. (23 May 1974), Seven new species of Grevillea (Proteaceae) from Western Australia. Nuytsia 1(4): 370-371 [tax. nov.]

• Type: "Rocks in the Murchison River, W.A., 30 Aug. 1931, C.A. Gardner 2597. Holo: PERTH, iso: K, NSW."

• Etymology: "The specific epithet refers to the ribbed fruit."

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 61 [secondary reference]

Wrigley, J.W. & Fagg, M. (1989), Banksias, Waratahs & Grevilleas and all other plants in the Australian Proteaceae family: 232 (map) [secondary reference]

• Etymology: "From Latin, costatus, ribbed; refers to the ribbed fruits."

Hopper, S.D., van Leeuwen, S.J., Brown, A.P. & Patrick, S.J. (1990), Western Australia's Endangered Flora: 114, 131 [secondary reference]

McGillivray, D.J & Makinson, R.O. (1993), Grevillea, Proteaceae: a taxonomic revision: 355-356 [secondary reference]

Olde, P.M. & Marriott, N.R. (1995), The Grevillea Book 2: 101-102 (Plate 81, fig., map) [secondary reference]

Makinson, R.O. in Wilson, A.J.G. (ed.) (2000), Grevillea. Flora of Australia 17A: 246, Map 227 APC [secondary reference]

• APC Dist.: WA

Christenhusz, M.J.M., Fay, M.F. & Byng, J.W. (9 February 2018), GLOVAP Nomenclature Part 1. The Global Flora: a practical flora to vascular plant species of the world 4: 85 [replaced synonym]

replaced synonym of: Hakea ledifolia Christenh. & Byng legitimate

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