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

Torrey, J. & Gray, A. (1841), A Flora of North America 2(1): 166 [basionym]

basionym of: Erigeron sect. Caenotus (Nutt.) Torr. & A.Gray legitimate

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

taxonomic synonym of: Conyza Less. nom. cons.

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

taxonomic synonym of: Erigeron L. legitimate

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