Wild, H. (1965), The African species of the genus Melanthera Rohr. Kirkia 5: 4 [comb. nov.]

basionym: Verbesina biflora L. legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 82 [secondary reference]

nomenclatural synonym: Wedelia biflora (L.) DC. legitimate taxonomic synonym: Wedelia uniflora (G.Forst. ex Willd.) W.R.B.Oliv. legitimate

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Asteraceae. Flora of South-eastern Queensland 2: 557 [nomenclatural synonym]

nomenclatural synonym of: Wedelia biflora (L.) DC. legitimate

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 11 [secondary reference]

Murray, L. in Harden, G.J. (ed.) (1992), Melanthera. Flora of New South Wales 3: 276 [secondary reference]

nomenclatural synonym: Wedelia biflora (L.) DC. legitimate

Du Puy, D.J., Telford, I.R.H. & Orchard, A.E. (1993), Asteraceae. Flora of Australia 50: 419, Figs 58, 87C [secondary reference]

nomenclatural synonym: Verbesina biflora L. legitimate nomenclatural synonym: Wedelia biflora (L.) DC. legitimate

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 398 [nomenclatural synonym]

nomenclatural synonym of: Wollastonia biflora (L.) DC. legitimate

Williams, D.G. (1994), Vegetation and flora of the Cocos (Keeling) Islands. Atoll Research Bulletin 404: 22 [secondary reference]

common name: Beach Sunflower [n/a]

Pike, G.D. & Leach, G.J. (1997), Handbook of the vascular plants of Ashmore and Cartier Islands: 57-58 [secondary reference]

nomenclatural synonym: Wedelia biflora (L.) DC. legitimate common name: Beach sunflower [n/a]

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 82 [secondary reference]

nomenclatural synonym: Verbesina biflora L. legitimate nomenclatural synonym: Wedelia biflora (L.) DC. legitimate common name: Beach Daisy [n/a]

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

nomenclatural synonym: Verbesina biflora L. legitimate nomenclatural synonym: Wedelia biflora (L.) DC. legitimate nomenclatural synonym: Wollastonia biflora (L.) DC. legitimate nomenclatural synonym: Niebuhria biflora (L.) Britten legitimate taxonomic synonym: Buphthalmum uniflorum G.Forst. nom. inval., nom. nud. taxonomic synonym: Buphthalmum uniflorum Willd. legitimate taxonomic synonym: Wedelia forsteriana Endl. nom. illeg., nom. superfl. taxonomic synonym: Wollastonia forsteriana (Endl.) DC. nom. illeg., nom. superfl. taxonomic synonym: Wedelia uniflora (G.Forst. ex Willd.) W.R.B.Oliv. legitimate

• APC Comment: Treated as Wollastonia biflora on LHI and NI by P.S.Green in A.S.George (ed.), Fl. Australia 49: 398 (1994), and in Qld.
• APC Dist.: ChI, CoI, NT, Qld, NSW, LHI, NI

Orchard, A.E. (25 July 2013), The Wollastonia/Melanthera/Wedelia generic complex (Asteraceae: Ecliptinae), with particular reference to Australia and Malesia. Nuytsia 23: 388 [nomenclatural synonym]

nomenclatural synonym of: Wollastonia biflora (L.) DC. legitimate

Orchard, A.E. in Wilson, A.J.G. (ed.) (2015), Wollastonia. Flora of Australia 37: 521 [nomenclatural synonym]

nomenclatural synonym of: Wollastonia biflora (L.) DC. var. biflora legitimate

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - [misapplied]

misapplied to: Wollastonia uniflora (Willd.) Orchard legitimate by Murray, L. in Harden, G.J. (ed.) (1992), Melanthera. Flora of New South Wales 3: 276

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Wollastonia biflora (L.) DC. legitimate

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