Norlindh, N.T. (1943), Studies in the Calenduleae: 244 [comb. nov.]

Scott, J.A. & Hardin, D.W. in Harden, G.J. (ed.) (1992), Osteospermum. Flora of New South Wales 3: 316 [secondary reference]

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

nomenclatural synonym of: Dimorphotheca ecklonis DC. legitimate

Ghafoor, A. in Wilson, A.J.G. (ed.) (2015), Asteraceae Subfam. Asteroideae Trib. 2. Calenduleae. Flora of Australia 37: 328, Plate 34, Fig. 40D-F, map [secondary reference]

nomenclatural synonym: Dimorphotheca ecklonis DC. legitimate

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 272 [nomenclatural synonym]

nomenclatural synonym of: Dimorphotheca ecklonis DC. legitimate

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