Bennett, E.M. (14 November 1972), New taxa and new combinations in Western Australian Pittosporaceae. Nuytsia 1(3): 268 [comb. nov.]

basionym: Calopetalon ringens Drumm. ex Harv. legitimate nomenclatural synonym: Marianthus ringens (Drumm. ex Harv.) F.Muell. legitimate

Bennett, E.M. (7 February 1978), New taxa and new combinations in Australian Pittosporaceae. Nuytsia 2(4): 185, Fig. 1D-E [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 82 [secondary reference]

Cayzer, L.W. & Crisp, M.D. (9 March 2004), Reinstatement and revision of the genus Marianthus (Pittosporaceae). Australian Systematic Botany 17(1): 140 [nomenclatural synonym]

nomenclatural synonym of: Marianthus ringens (Drumm. ex Harv.) F.Muell. legitimate

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