Steetz, J. in Lehmann, J.G.C. (ed.) (1845), Tremandreae. Plantae Preissianae 1(2): 220 [tax. nov.]

• Type: "In arenosis umbrosis inter frutices densos ad Preston Creek, (Perth) d. 30. July 1839. Herb. Preiss. No. 1330."

Schuchardt, T. (1853), Synopsis Tremandrearum: 44-46 [secondary reference]

taxonomic synonym: Tetratheca verticillata Paxton legitimate taxonomic synonym: Tremandra verticillata Walp. legitimate taxonomic synonym: Tetratheca speciosa Walp. nom. inval., pro syn.

Bentham, G. (30 May 1863), Flora Australiensis 1: 136 [secondary reference]

taxonomic synonym: Platytheca crassifolia Steetz legitimate taxonomic synonym: Platytheca crucianella Steetz legitimate taxonomic synonym: Tetratheca verticillata Paxton legitimate taxonomic synonym: Tremandra verticillata Walp. legitimate

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 9 [secondary reference]

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 15 [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): 331 [secondary reference]

Thompson, J. (10 December 1976), A revision of the genus Tetratheca (Tremandraceae). Telopea 1(3): 214 [secondary reference]

taxonomic synonym: Tetratheca verticillata Paxton legitimate

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 105 [secondary reference]

misapplication: Platytheca verticillata (Walp.) Baill. legitimate by Gardner, C.A. (May 1931), Part III. Geraniaceae–Compositae. Enumeratio Plantarum Australiae Occidentalis: 71 misapplication: Platytheca verticillata (Walp.) Baill. legitimate by Beard, J.S. in Beard, J.S. (ed.) (1970), Descriptive Catalogue of West Australian Plants Edn. 2: 76

Wheeler, J.R. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Tremandraceae. Flora of the Perth Region 1: 464, Fig. 175 [secondary reference]

taxonomic synonym: Platytheca verticillata (Walp.) Baill. legitimate

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 928 [secondary reference]

Western Australian Herbarium (2007), FloraBase: the Western Australian Flora Version 2.5: - [secondary reference]

misapplication: Platytheca verticillata (Walp.) Baill. legitimate by Beard, J.S. in Beard, J.S. (ed.) (1970), Descriptive Catalogue of West Australian Plants Edn. 2: 76

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Platytheca galioides Steetz var. galioides legitimate taxonomic synonym: Platytheca crucianella Steetz legitimate taxonomic synonym: Platytheca crassifolia Steetz legitimate taxonomic synonym: Tetratheca verticillata Paxton legitimate taxonomic synonym: Tetratheca speciosa Walp. nom. inval., pro syn. taxonomic synonym: Platytheca galioides var. pubescens Schuch. legitimate taxonomic synonym: Platytheca galioides var. crassifolia (Steetz) Diels & E.Pritz. legitimate misapplication: Platytheca verticillata (Walp.) Baill. legitimate by Gardner, C.A. (May 1931), Part III. Geraniaceae–Compositae. Enumeratio Plantarum Australiae Occidentalis: 71 misapplication: Platytheca verticillata (Walp.) Baill. legitimate by Beard, J.S. in Beard, J.S. (ed.) (1970), Descriptive Catalogue of West Australian Plants Edn. 2: 76

• APC Dist.: WA, SA (doubtfully naturalised)

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