Lindley, J. (1 December 1839), A Sketch of the Vegetation of the Swan River Colony: xviii. [tax. nov.]

• Type: (not cited).

Steetz, J. in Lehmann, J.G.C. (ed.) (1846), Buttneriaceae. Plantae Preissianae 2(2-3): 335 [basionym]

basionym of: Rhynchostemon canescens (Lindl.) Steetz legitimate

Bentham, G. (30 May 1863), Flora Australiensis 1: 256 [taxonomic synonym]

taxonomic synonym of: Thomasia glutinosa var. latifolia Benth. legitimate

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

orthographic variant: Thomasia caulescens A.D.Chapm. orth. var.

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

taxonomic synonym of: Thomasia glutinosa var. latifolia Benth. legitimate

Shepherd, K.A. & Wilkins, C.F. (3 July 2015), A revision of species from the tribe Lasiopetaleae (Byttnerioideae: Malvaceae) with rostrate anthers. Nuytsia 25: 180 [secondary reference]

• Lectotype: "Swan River [Western Australia], 1839 [1835–1838], J. Drummond s.n. (lecto, here designated: CGE 06801!; isolecto: CGE 12649!, CGE 12647!, K! [both fragments], ?M 211234 image seen, ?NSW 385988!)."

Shepherd, K.A. & Wilkins, C.F. (3 July 2015), A revision of species from the tribe Lasiopetaleae (Byttnerioideae: Malvaceae) with rostrate anthers. Nuytsia 25: 179 [taxonomic synonym]

taxonomic synonym of: Lasiopetalum glutinosum subsp. latifolium (Benth.) K.A.Sheph. & C.F.Wilkins legitimate

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