Goeze, G. (1885), Die Gattung Brachychiton. Hamburger Garten- und Blumenzeitung 41: 252 [comb. nov.]

basionym: Sterculia diversifolia var. occidentalis Benth. legitimate

Guymer, G.P. (1989), A taxonomic revision of Brachychiton (Sterculiaceae). Australian Systematic Botany 1(3): 236 [taxonomic synonym]

taxonomic synonym of: Brachychiton gregorii F.Muell. legitimate

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - [secondary reference]

orthographic variant: Brachychiton populneum var. occidentalis G.Goeze orth. var.

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Brachychiton gregorii F.Muell. legitimate

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