Duretto, M.F. in Wilson, A.J.G. (ed.) (2013), Appendix: Boronia. Flora of Australia 26: 583 [tax. nov.]

• Type: "B. penicillata F.Muell."

Duretto, M.F. & Wilson, Paul G. in Wilson, A.J.G. (ed.) (2013), Boronia Sect. 3. Cyanothamnus. Flora of Australia 26: 211 [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): 494 [basionym]

basionym of: Cyanothamnus ser. Penicillati (Duretto) Duretto & Heslewood legitimate

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