Candolle, A.P. de in Candolle, A.P. de (ed.) (1838), Compositae. Prodromus Systematis Naturalis Regni Vegetabilis 6: 302 [comb. nov.]

basionym: Cacalia sonchifolia L. legitimate

Bailey, F.M. (1900), The Queensland Flora 3: 873 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 275 [secondary reference]

Domin, K. (1930), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 1239- [secondary reference]

Specht, R.L. in Specht, R.L. & Mountford, C.P. (ed.) (August 1958), The Gymnospermae and Angiospermae collected on the Arnhem Land Expedition. Records of the American-Australian Scientific Expedition to Arnhem Land No. 3 Botany and Plant Ecology: 317 [secondary reference]

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 264 [secondary reference]

Koster, J.T. (1980), The Compositae of New Guinea VII. Blumea 26(1): 238-239 [secondary reference]

taxonomic synonym: Emilia sonchifolia var. typica Domin nom. inval.

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 77 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 165 [secondary reference]

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Asteraceae. Flora of South-eastern Queensland 2: 574, Fig. 81A [secondary reference]

nomenclatural synonym: Cacalia sonchifolia L. legitimate common name: Emilia [n/a]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 10 [secondary reference]

Lawrence, M.E. in Wheeler, J.R. (ed.) (1992), Acanthospermum - Gnaphalium. Flora of the Kimberley Region: 943, Fig. 286O, 288A [secondary reference]

common name: Red Tassel Flower [n/a] common name: Emilia [n/a]

Scott, A.J. in Harden, G.J. (ed.) (1992), Emilia. Flora of New South Wales 3: 312 [secondary reference]

Du Puy, D.J., Telford, I.R.H. & Orchard, A.E. (1993), Asteraceae. Flora of Australia 50: 426 APC [secondary reference]

nomenclatural synonym: Cacalia sonchifolia L. legitimate

• APC Comment: Infraspecific rank not recognised on CoI.
• APC Dist.: WA (naturalised), CoI (naturalised), NT (naturalised), Qld (naturalised), NSW (naturalised)

Hyland, B.P.M., Gray, B. & Elick, R.W. in Cooper, W.E. & Cooper, W.T. (1994), Appendix I: Provisional Species List. Fruits of the Rainforest: 302 [secondary reference]

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

Thompson, I.R. (22 November 2006), A taxonomic treatment of tribe Senecioneae (Asteraceae) in Australia. Muelleria 24: 105 [secondary reference]

nomenclatural synonym: Cacalia sonchifolia L. legitimate

Thompson, I.R. in Wilson, A.J.G. (ed.) (2015), Emilia. Flora of Australia 37: 312-313 [secondary reference]

nomenclatural synonym: Cacalia sonchifolia L. legitimate taxonomic synonym: Emilia sonchifolia var. typica Domin nom. inval.

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