Wilson, Paul G. (10 December 1970), A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae). Nuytsia 1(1): 27-28, Map 4 [tax. nov.]

• Type: "AD 964251 (ex CBG 065303), 20 mi W of Coolgardie, on highway. Shrub 1.5 m high in sandplain vegetation, 17.ix.1962, M.E. Phillips." [CBG accession number should read "CBG 005303", T.R.Lally, pers. comm. 2013]

• Etymology: "pachys = thick, phyllon = leaf"

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 104 [secondary reference]

Wilson, Paul G. (16 September 1998), A taxonomic review of the genera Eriostemon and Philotheca (Rutaceae: Boronieae). Nuytsia 12(2): 254 [basionym]

basionym of: Philotheca pachyphylla (Paul G.Wilson) Paul G.Wilson legitimate

Wilson, Paul G. in Wilson, A.J.G. (ed.) (2013), Philotheca. Flora of Australia 26: 377 [nomenclatural synonym]

nomenclatural synonym of: Philotheca pachyphylla (Paul G.Wilson) Paul G.Wilson legitimate

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