Retzius, A.J. (1788), Observationes Botanicae 5: 28 [tax. nov.]

Walker, E.H. (1971), Journal of Japanese Botany 46(3): 72 [basionym]

basionym of: Conyza sumatrensis (Retz.) E.Walker legitimate

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Asteraceae. Flora of South-eastern Queensland 2: 526 [nomenclatural synonym]

nomenclatural synonym of: Conyza sumatrensis (Retz.) E.Walker legitimate

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 80 [nomenclatural synonym]

nomenclatural synonym of: Conyza sumatrensis (Retz.) E.Walker legitimate

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

nomenclatural synonym of: Conyza sumatrensis (Retz.) E.Walker legitimate

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

nomenclatural synonym: Conyza sumatrensis (Retz.) E.Walker legitimate nomenclatural synonym: Conyza sumatrensis (Retz.) E.Walker subsp. sumatrensis legitimate taxonomic synonym: Conyza albida Willd. ex Spreng. legitimate taxonomic synonym: Conyza sp. A [n/a] misapplication: Vernonia cinerea (L.) Less. legitimate by Maiden, J.H. (1904), The Flora of Norfolk Island. Part i. Proceedings of the Linnean Society of New South Wales 28(4): 707 misapplication: Conyza floribunda Kunth legitimate by Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 315 misapplication: Conyza floribunda Kunth legitimate by Willis, J.H. (1973), A Handbook to Plants in Victoria Edn. 2, 2: 682

• APC Comment: Treated as Conyza sumatrensis in WA and Tas.
• APC Dist.: WA (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), LHI (naturalised), NI (naturalised), ACT (naturalised), Vic (naturalised), Tas (naturalised)

Percy-Bower, J.M. & Parker, C.M. (24 June 2021), Updates to Western Australia’s vascular plant census for 2020. Nuytsia 32: 9 [secondary reference]

nomenclatural synonym: Conyza sumatrensis (Retz.) E.Walker legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Conyza sumatrensis (Retz.) E.Walker legitimate nomenclatural synonym: Conyza sumatrensis (Retz.) E.Walker subsp. sumatrensis legitimate taxonomic synonym: Conyza albida Willd. ex Spreng. legitimate taxonomic synonym: Conyza sp. A [n/a] taxonomic synonym: Conyza sp. A Perth Flora [n/a] misapplication: Vernonia cinerea (L.) Less. legitimate by Maiden, J.H. (1904), The Flora of Norfolk Island. Part i. Proceedings of the Linnean Society of New South Wales 28(4): 707 misapplication: Conyza floribunda Kunth legitimate by Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 315 misapplication: Conyza floribunda Kunth legitimate by Willis, J.H. (1973), A Handbook to Plants in Victoria Edn. 2, 2: 682

• APC Comment: Treated as Conyza sumatrensis in WA and Tas.
• APC Dist.: WA (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), LHI (naturalised), NI (naturalised), ACT (naturalised), Vic (naturalised), Tas (naturalised)

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