Regel, E.A. von in Fischer, F.E.L. von & Meyer, C.A.A. von (ed.) (1856), Index Seminum, quae hortus botanicus Imperialis Petropolitanus pro mutua commutatione offert: 39 [primary reference]

taxonomic synonym: Metrosideros citrina Curtis legitimate

• Comment: nom. inval. under ICN Art. 26.2 (Shenzhen Code, 2018), as this was intended to be the type variety but the varietal name does not repeat the specific epithet.

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

taxonomic synonym of: Callistemon citrinus (Curtis) Skeels legitimate

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

taxonomic synonym of: Callistemon citrinus (Curtis) Skeels legitimate

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