Orchard, A.E. (25 July 2013), The Wollastonia/Melanthera/Wedelia generic complex (Asteraceae: Ecliptinae), with particular reference to Australia and Malesia. Nuytsia 23: 390-393, Fig. 36, Map 1 [autonym]

Orchard, A.E. in Wilson, A.J.G. (ed.) (2015), Wollastonia. Flora of Australia 37: 521-523, Fig. 74A-G, map [secondary reference]

nomenclatural synonym: Verbesina biflora L. legitimate nomenclatural synonym: Wedelia biflora (L.) DC. legitimate nomenclatural synonym: Melanthera biflora (L.) Wild legitimate taxonomic synonym: Wollastonia insularis DC. legitimate

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

• APC Dist.: CoI, ChI, AR, NT, Qld

---