Gay, J.E. (1821), Monographie des Cinq Genres de Plantes, Lasiopetalees. Memoires du Museum d'Histoire Naturelle 7: 450 [tax. nov.]

• Type: (not designated).

Mueller, F.J.H. von (February 1862), Thalamiflorae. The Plants Indigenous to the Colony of Victoria 1: 146-147 [secondary reference]

taxonomic synonym: Ditomostrophe Turcz. legitimate

Bentham, G. (30 May 1863), Flora Australiensis 1: 248 [secondary reference]

taxonomic synonym: Leucothamnus Lindl. legitimate taxonomic synonym: Rhynchostemon Steetz legitimate taxonomic synonym: Asterochiton Turcz. legitimate

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 16 [secondary reference]

taxonomic synonym: Leucothamnus Lindl. legitimate taxonomic synonym: Rhynchostemon Steetz legitimate

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 28 [secondary reference]

taxonomic synonym: Leucothamnus Lindl. legitimate taxonomic synonym: Rhynchostemon Steetz legitimate

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): 372-374 [secondary reference]

Black, J.M. (December 1926), Meliaceae - Scrophulariaceae. Flora of South Australia 3: 385 [secondary reference]

• Etymology: "After a Swiss collector of plants named Thomas."

Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 573 [secondary reference]

• Etymology: "After a Swiss collector of plants named Thomas."

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Sterculiaceae. Flora of the Perth Region 1: 137-138 [secondary reference]

Short, P.S. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Sterculiaceae. Flora of Victoria 3: 330 [secondary reference]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 547 [secondary reference]

Bayer, C. & Kubitzki, K. in Kubitzki, K. (ed.) (2002), Malvaceae. The Families and Genera of Vascular Plants 5: 247 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 896 [secondary reference]

Council of Heads of Australasian Herbaria (2008), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Leucothamnus Lindl. legitimate taxonomic synonym: Rhynchostemon Steetz legitimate taxonomic synonym: Asterochiton Turcz. legitimate taxonomic synonym: Rhyncostemon Benth. orth. var.

• APC Dist.: WA, SA, Vic

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 855 [secondary reference]

Burkhardt, L. (2016), About some eponyms in Taxonomic literature (TL-2). Taxon 65(1): 143 [secondary reference]

• Etymology: "Peter (Pierre) Thomas (1708–1781) and his son Abraham Thomas (1740–1822/24), Swiss plant collectors for A. v. Haller and his grandsons Philippe (?–1831), Louis (1784–1823), and Emmanuel (1788–1859), gardeners, botanists as well..."

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