Cronquist, A.J. (1943), Bulletin of the Torrey Botanical Club 70: 632 [comb. nov.]

basionym: Erigeron canadensis L. legitimate

Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 314-315 [secondary reference]

nomenclatural synonym: Erigeron canadensis L. legitimate common name: Canadian Fleabane [n/a]

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 300 [secondary reference]

taxonomic synonym: Erigeron canadense L. orth. var.

Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 361 [secondary reference]

common name: Canadian Fleabane [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 75 [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: 525-526 [secondary reference]

nomenclatural synonym: Erigeron canadensis L. legitimate common name: Canadian Fleabane [n/a]

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]

Clarke, I.C. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Conyza. Flora of Victoria 4: 921 [secondary reference]

nomenclatural synonym: Erigeron canadensis L. legitimate common name: Canadian Fleabane [n/a]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B., Elick, R.W. & Ford, A.J. (1999), Australian tropical rain forest trees and shrubs. Australian tropical rain forest trees and shrubs: 57 [secondary reference]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B. & Elick, R.W. (2003), Australian tropical rain forest plants. Trees, Shrubs and Vines: Code 3381 [secondary reference]

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

nomenclatural synonym: Erigeron canadensis L. legitimate common name: Horseweed [n/a] common name: Butterweed [n/a] common name: Hogweed [n/a] common name: Canadian Fleabane [n/a]

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

orthographic variant: Erigeron canadense L. orth. var. nomenclatural synonym: Erigeron canadensis L. legitimate nomenclatural synonym: Conyza canadensis (L.) Cronquist var. canadensis legitimate taxonomic synonym: Erigeron pusillus Nutt. legitimate taxonomic synonym: Conyza parva Cronquist legitimate taxonomic synonym: Conyza canadensis var. pusilla (Nutt.) Cronquist legitimate

• APC Comment: Treated as Conyza canadensis var. canadensis in SA. Conyza parva is recognised as a distinct taxon in Qld, ACT and Vic.
• APC Dist.: WA (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), ACT (naturalised), Vic (naturalised), Tas (naturalised)

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 270 [secondary reference]

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

nomenclatural synonym of: Erigeron canadensis L. legitimate

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 12 [secondary reference]

Bostock, P.D. & Holland, A.E. (August 2016), Appendix A: New names and name and status changes 2015 census to 2016 census. Introduction to the Census of the Queensland Flora 2016: 18 [nomenclatural synonym]

nomenclatural synonym of: Erigeron canadensis L. legitimate

Percy-Bower, J.M. & Parker, C.M. (24 June 2021), Updates to Western Australia’s vascular plant census for 2020. Nuytsia 32: 8 [nomenclatural synonym]

nomenclatural synonym of: Erigeron canadensis L. legitimate

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