Niedenzu, F.J. in Engler, H.G.A. & Prantl, K.A.E. (ed.) (August 1893), Myrtaceae [continued]. Die Naturlichen Pflanzenfamilien III, 7(88): 99 [comb. nov.]

basionym: Baeckea platystemona Benth. legitimate

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [secondary reference]

orthographic variant: Hypocalymma platystemon Nied. orth. var.

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Rinzia crassifolia Turcz. legitimate

Rye, B.L. (20 January 2017), An expanded circumscription and new infrageneric classification of Rinzia (Myrtaceae: Chamelaucieae). Nuytsia 28: 72 [taxonomic synonym]

taxonomic synonym of: Rinzia crassifolia Turcz. legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Rinzia crassifolia Turcz. legitimate

---