Wilson, Paul G. (17 February 1998), New names and new taxa in the genus Boronia (Rutaceae) from Western Australia, with notes on seed characters. Nuytsia 12(1): 148-149 APC [tax. nov.]

• Type: "About 45 km north-west of Clyde Hill, Western Australia, 21 May 1993, G.F.Craig & B.Haberley 2773 (holo: PERTH 3218600)."

• APC Dist.: WA

• Etymology: "The subspecific epithet is derived from the Latin word patulus, spreading, referring to the posture of the leaves."

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 517 [secondary reference]

Duretto, M.F. & Wilson, Paul G. in Wilson, A.J.G. (ed.) (2013), Boronia Sect. 3. Cyanothamnus. Flora of Australia 26: 214 [secondary reference]

Duretto, M.F., Heslewood, M.M. & Bayly, M.J. (June 2020), Boronia (Rutaceae) is polyphyletic: Reinstating Cyanothamnus and the problems associated with inappropriately defined outgroups. Taxon 69(3): 493 [basionym]

basionym of: Cyanothamnus baeckeaceus subsp. patulus (Paul G.Wilson) Duretto & Heslewood legitimate

Percy-Bower, J.M. & Parker, C.M. (24 June 2021), Updates to Western Australia’s vascular plant census for 2020. Nuytsia 32: 6 [nomenclatural synonym]

nomenclatural synonym of: Cyanothamnus baeckeaceus subsp. patulus (Paul G.Wilson) Duretto & Heslewood legitimate

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