Bentham, G. (30 May 1863), Flora Australiensis 1: 267 [tax. nov.]

• Type: "W. Australia. Swan River, Drummond."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 17 [secondary reference]

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 29 [secondary reference]

Diels, F.L.E. & Pritzel, E.G. (6 December 1904), Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 35(2-3): 381 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 115 [secondary reference]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 544 [secondary reference]

Wilkins, C.F. & Chappill, J.A. (8 January 2001), A taxonomic revision of the Western Australian genus Lysiosepalum (Malvaceae: Lasiopetaleae). Nuytsia 13(3): 591, Figs. 6D, 11 [secondary reference]

• Lectotype: south-west of Western Australia, J. Drummond (lecto: K; isolecto: MEL).

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

orthographic variant: Lyriosepalum rugosum Benth. orth. var.

• APC Comment: The cross-generic hybrid between Lysiosepalum rugosum and Thomasia macrocalyx is referred to as Thomasia x formosa Paust (see C.F.Wilkins & J.A.Chappill, Nuytsia 13(3): 593 (2001)).
• APC Dist.: WA

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