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

• Type: "Habitat in India."

Linnaeus, C. (1763), Species Plantarum Edn. 2, 2: 1171 [secondary reference]

Anonymous (1887), Notes and Exhibits. Proceedings of the Linnean Society of New South Wales, Series 2 2(1): 141 [secondary reference]

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

Dixon, W.A. (1906), The Plants of New South Wales: 200 [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]

Thomas, M.B. & McDonald, W.J.F. (1987), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 1: 18 [secondary reference]

Gilbert, M.G. & Jeffrey, C. (1988), A revision of Ethulia (Compositae: Vernonieae). Kew Bulletin 43(2): 189 [secondary reference]

• Text: "One of us (C.J.) on a brief visit to the Sydney Herbarium (NSW) noted specimens from Australia determined as E. conyzoides, but had no time to study them. Their identity requires confirmation."

Thomas, M.B. & McDonald, W.J.F. (1989), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 2: 19 [secondary reference]

Porteners, M.F. in Harden, G.J. (ed.) (1992), Ethulia. Flora of New South Wales 3: 147 [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: 177, Fig. 19A-E, map [secondary reference]

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