Olde, P.M. & Marriott, N.R. (26 April 1994), A taxonomic revision of Grevillea arenaria and Grevillea obtusiflora (Proteaceae: Grevilleoideae). Telopea 5(4): 731, fig. 4 [tax. nov.]

• Type: HOLOTYPE: NEW SOUTH WALES: North Coast: 3 km E of Booral, P.Olde 92/96, 20 Sep 1992 (NSW). Isotype: CANB.

Olde, P.M. & Marriott, N.R. (1995), The Grevillea Book 2: 185-186 (Plate 152, fig., map) [secondary reference]

• Etymology: "The specific epithet honours Christine Guthrie, for many years the Secretary and Treasurer of the Grevillea Study Group and Editor of its Newsletter."

Threatened Species and Communities Section, Biodiversity Group, Environment Australia (8 July 1998), Endangered Species Protection Act 1992. Schedules 1, 2 & 3: 9 [secondary reference]

Makinson, R.O. in Wilson, A.J.G. (ed.) (2000), Grevillea. Flora of Australia 17A: 291-292, Map 265 APC [secondary reference]

pro parte taxonomic synonym: Grevillea obtusiflora subsp. granulifera McGill. legitimate

• APC Dist.: NSW

Makinson, R.O. in Harden, G.J. (ed.) (2002), Grevillea. Flora of New South Wales Revised Edition 2: 48 [secondary reference]

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: 82 [basionym]

basionym of: Hakea guthrieana (Olde & Marriott) Christenh. & Byng legitimate

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