Linnaeus, C. in Linnaeus, C. [filius] (1762), Decas Prima Plantarum Rariorum Horti Upsaliensis: 1 [tax. nov.]

• Type: Ethulia conyzoides L.f.

Hooker, W.J. in Mitchell, T.L. (1848), Journal of an Expedition into the Interior of Tropical Australia: 62 [secondary reference]

Mueller, F.J.H. von (13 May 1889), Systematic Census of Australian Plants Suppl. 4: 4 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 257 [secondary reference]

Sulman, F. (1914), A Popular Guide to the Wild Flowers of New South Wales II: 86 [secondary reference]

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

Gilbert, M.G. & Jeffrey, C. (1988), A revision of Ethulia (Compositae: Vernonieae). Kew Bulletin 43(2): 167-168 [secondary reference]

Porteners, M.F. in Harden, G.J. (ed.) (1992), Ethulia. Flora of New South Wales 3: 146 [secondary reference]

Anderberg, A.A., Baldwin, B.G., Bayer, R.G., Breitwieser, I., Jeffrey, C., Dillon, M.O., Eldenäs, P., Funk, V., Garcia-Jacas, N., Hind, D.J.N., Karis, P.O., Lack, H.W., Nesom, G., Nordenstam, B., Oberprieler, C., Panero, J.J., Puttock, C., Robinson, H., Stuessy, T.F., Susanna, A., Urtubey, E., Vogt, R., Ward, J. & Watson, L.E. in Kubitzki, K. (ed.) (2007), Compositae. The Families and Genera of Vascular Plants 8: 168 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 320 [secondary reference]

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

• APC Dist.: NSW (naturalised)

Ghafoor, A. in Wilson, A.J.G. (ed.) (2015), Asteraceae Subfam. Cichorioideae Trib. 3. Vernonieae. Flora of Australia 37: 176-177 [secondary reference]

• Etymology: "probably from Greek ethos (character, habit) and oulios (baneful, destructive)."

---