Müller Argoviensis, J. (1865), Euphorbiaceae: Vorläufige mittheilungen aus dem für DeCandolle's Prodromus bestimmten Manuscript über diese Familie. Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde 34: 72 [tax. nov.]

• Type: "In Nova Hollandia septentrionali ad Sinum Carpentariae (Ferd. Muell.! in hb. DC.)."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 19 [secondary reference]

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 34 [secondary reference]

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 600 [basionym]

basionym of: Diasperus rigidulus (Müll.Arg.) Kuntze legitimate

Airy Shaw, H.K. (November 1980), A partial synopsis of the Euphorbiaceae - Platylobeae of Australia (excluding Phyllanthus, Euphorbia and Calycopeplus). Kew Bulletin 35(3): 684 [basionym]

basionym of: Sauropus rigidulus (Müll.Arg.) Airy Shaw legitimate

Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Sauropus rigidulus (Müll.Arg.) Airy Shaw legitimate

Barrett, R.L. & Telford, I.R.H. (3 November 2015), Two new species of Phyllanthus from northern Australia and notes on Phyllanthus, Sauropus and Synostemon (Phyllanthaceae) in Western Australia. Nuytsia 26: 160 [nomenclatural synonym]

nomenclatural synonym of: Sauropus rigidulus (Müll.Arg.) Airy Shaw legitimate

Telford, I.R.H., Pruesapan, K., Welzen, P.C. van & Bruhl, J.J. (4 June 2019), Morphological and molecular data show an enlarged tropical Australian radiation in Synostemon (Phyllanthaceae, Phyllantheae) previously concealed by heteromorphic species concepts. Australian Systematic Botany 32(2,3): 172 [basionym]

basionym of: Synostemon rigidulus (F.Muell. ex Müll.Arg.) I.Telford & Pruesapan legitimate

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