Nuttall, T. (1818), The Genera of North American Plants 2: 148-149 [tax. nov.]

Cronquist, A.J. (1943), The Separation of Erigeron from Conyza. Bulletin of the Torrey Botanical Club 70(6): 632 [replaced synonym]

replaced synonym of: Conyza parva Cronquist legitimate

Cronquist, A.J. (1947), Notes on the Compositae of the Northeastern United States-V. Astereae. Bulletin of the Torrey Botanical Club 74(2): 150 [basionym]

basionym of: Conyza canadensis var. pusilla (Nutt.) Cronquist legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 75 [taxonomic synonym]

taxonomic synonym of: Conyza parva Cronquist 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 canadensis var. pusilla (Nutt.) Cronquist legitimate

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

taxonomic synonym of: Conyza canadensis (L.) Cronquist legitimate

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

taxonomic synonym of: Erigeron canadensis L. legitimate

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: 19 [secondary reference]

nomenclatural synonym: Conyza parva Cronquist legitimate

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