Gardner, C.A. (1943), Contributiones Florae Australiae Occidentalis, XI. Journal of the Royal Society of Western Australia 27: 181 [tax. nov.]

• Type: "Hab. in distr. Coolgardie, in arenosis-lutosis, prope Widgiemooltha, flor. m. November, Gardner."

Wilson, Paul G. (10 December 1970), A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae). Nuytsia 1(1): 66, Map 25 APC [secondary reference]

• Type: "Hab. in distr. Coolgardie, in arenosis-lutosis, prope Widgiemooltha, flor. m. November, Gardner." Holotypus: PERTH."

• APC Dist.: WA

• Etymology: "clavatus = clubbed."

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 105 [secondary reference]

Hopper, S.D., van Leeuwen, S.J., Brown, A.P. & Patrick, S.J. (1990), Western Australia's Endangered Flora: 118, 132 [secondary reference]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 523 [secondary reference]

Wilson, Paul G. in Wilson, A.J.G. (ed.) (2013), Phebalium. Flora of Australia 26: 461 [secondary reference]

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