Brown, R. in Aiton, W.T. (1813), Hortus Kewensis Edn. 2, 5: 141 [primary reference]

Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 891 [orthographic variant]

orthographic variant of: Cryptostemma calendula (L.) R.Br. legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [orthographic variant]

orthographic variant of: Cryptostemma calendula (L.) R.Br. legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Arctotheca calendula (L.) Levyns isonym

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Arctotheca calendula (L.) K.Lewin legitimate

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