Wilson, Paul G. (10 December 1970), A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae). Nuytsia 1(1): 53, Map 16 [tax. nov.]

• Type: "S.J.J. Davies, 2.vi.1961, Ejah, between Mileura and Nookawarra Stations, ca. 360 km NE of Geraldton, Western Australia (PERTH)."

• Etymology: "cinereus = ashy"

Wilson, Paul G. (16 September 1998), A taxonomic review of the genera Eriostemon and Philotheca (Rutaceae: Boronieae). Nuytsia 12(2): 258 [basionym]

basionym of: Philotheca brucei subsp. cinerea (Paul G.Wilson) Paul G.Wilson legitimate

Wilson, Paul G. in Wilson, A.J.G. (ed.) (2013), Philotheca. Flora of Australia 26: 401 [nomenclatural synonym]

nomenclatural synonym of: Philotheca brucei subsp. cinerea (Paul G.Wilson) Paul G.Wilson legitimate

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