Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 1: 292 [comb. nov.]

basionym: Metabolos radicans Bartl. ex DC. legitimate

Halford, D.A. (9 September 1992), Review of the genus Oldenlandia L. (Rubiaceae) and related genera in Australia. Austrobaileya 3(4): 714 [nomenclatural synonym]

nomenclatural synonym of: Hedyotis radicans (Bartl. ex DC.) Miq. legitimate

Gibbons, K.L. (June 2020), Hedyotis, Oldenlandia and related genera (Rubiaceae: Spermacoceae) in Australia: New genera and new combinations in an Asian-Australian-Pacific lineage. Taxon 69(3): 535 [nomenclatural synonym]

nomenclatural synonym of: Exallage radicans (Bartl. ex DC.) Bremek. legitimate

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