Chamisso, L.K.A. von & Schlechtendal, D.F.L. von (1828), Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde 3: 352 [tax. nov.]

• Type: "In Brasiliae meridionalis provincia, Cisplatina leg. Sellow, semineque misso in hortum Regium Berolinensis introduxit, in quo horto anno 1826 sub nomine Sp. ensifoliae hospitabatur; nomen autem pluribus variisque similaribus erat impositum."

Steudel, E.G. von (1841), Nomenclator Botanicus Edn. 2, 2(11): 459 [basionym]

basionym of: Richardia stellaris (Cham. & Schltdl.) Steud. legitimate

Ewart, A.J. (February 1907), Contributions to the Flora of Australia. Proceedings of the Royal Society of Victoria 19(2): 43 [secondary reference]

Bailey, F.M. (1910), Botany, Contributions to the Flora of Queensland and British New Guinea. Queensland Agricultural Journal 24(2): 60 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 253 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 589 [nomenclatural synonym]

nomenclatural synonym of: Richardia stellaris (Cham. & Schltdl.) Steud. legitimate

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1986), Rubiaceae. Flora of South-eastern Queensland 2: 326 [nomenclatural synonym]

nomenclatural synonym of: Richardia stellaris (Cham. & Schltdl.) Steud. legitimate

James, T.A. & Allen, W.K. in Harden, G.J. (ed.) (1992), Richardia. Flora of New South Wales 3: 494 [nomenclatural synonym]

nomenclatural synonym of: Richardia stellaris (Cham. & Schltdl.) Steud. legitimate

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 359 [nomenclatural synonym]

nomenclatural synonym of: Richardia stellaris (Cham. & Schltdl.) Steud. legitimate

National Herbarium of New South Wales (2009), PlantNET Flora of New South Wales Online: - [nomenclatural synonym]

nomenclatural synonym of: Richardia stellaris (Cham. & Schltdl.) Steud. legitimate

Heuchert, B., Braun, U., Tkach, N., Marx, D. & Röser, M. (2017), Biography of D. F. L. von Schlechtendal and type material of his new taxa preserved in the herbarium of Martin Luther University Halle-Wittenberg (HAL) and other botanical collections. Schlechtendalia 31: 110 [secondary reference]

• Type: "In Brasilia meridionalis provincia Cisplatina legit Sellow, semineque misso in hortum Regium Berolinensem introduxit, in quo horto anno 1826 sub nomine Sp. crassifoliae hospitabatur; ... HAL0113812 [ST]: Sellow, F. s.n., 1814–1831, Uruguay, Brasilia meridionalis, Prov. Cisplatina... F0BN000851 (photo in F)."

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