Turner, I.M. (2014), Names of extant angiosperm species that are illegitimate homonyms of fossils. Annales Botanici Fennici 51: 307 [implicit autonym]

Parker, C.M. & Percy-Bower, J.M. (31 March 2016), Updates to Western Australia’s vascular plant census for 2015. Nuytsia 27: 12 [secondary reference]

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Grevillea rigida Olde & Marriott subsp. rigida legitimate taxonomic synonym: Grevillea tetragonoloba 'race d' [n/a]

• APC Dist.: WA

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