Mesfin Tadesse (1990), Glossocardia and Neuractis (Compositae), new records for Africa. Kew Bulletin 45(1): 144 [comb. nov.]

basionym: Zinnia bidens Retz. legitimate

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

nomenclatural synonym of: Glossocardia bidens (Retz.) Veldkamp legitimate

Orchard, A.E. (2011), Notes on Glossocardia bidens (Retz.) Veldkamp (Asteraceae: Coreopsideae. Australian Systematic Botany Society Newsletter 144-145: 33 [nomenclatural synonym]

nomenclatural synonym of: Glossocardia bidens (Retz.) Veldkamp legitimate

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Glossocardia bidens (Retz.) Veldkamp legitimate

Orchard, A.E. in Wilson, A.J.G. (ed.) (2015), Asteraceae Subfam. Asteroideae Trib. 7. Coreopsideae. Flora of Australia 37: 452 [nomenclatural synonym]

nomenclatural synonym of: Glossocardia bidens (Retz.) Veldkamp legitimate

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Glossocardia bidens (Retz.) Veldkamp legitimate

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