Conyza canadensis (L.) Cronquist

POWO follows these authorities in synonymising this name:

• GCC (2011). Global Compositae Checklist http://compositae.landcareresearch.co.nz/. [Cited as Erigeron canadensis.]
• Ghafoor, A. & al. (2021). Flora of Pakistan 224: 1-310. Department of Botany, University of Karachi, Karachi. [Cited as Erigeron canadensis.]
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics. [Cited as Erigeron canadensis.]
• Wu, Z. & Raven, P.H. (eds.) (2011). Asteraceae. Flora of China 20-21: 1-992. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis). [Cited as Erigeron canadensis.]

This name was accepted following an alternative taxonomy by these authorities:

• Flora of North America Editorial Committee (2006). Asteraceae. Flora of Australia 20: 1-666. Australian Government Publishing Service, Canberra. [Cited as Conyza canadensis.]
• Kharkevich, S.S. (ed.) (1992). Plantae Vasculares Orientalis Extremi Sovietici 6: 1-428. Nauka, Leningrad. [Cited as Conyza canadensis.]

Flora of the Cayman Islands

• Cronquist, Bull. Torr. Bot. Club 70: 632 (1943).

Catálogo de Plantas y Líquenes de Colombia

• Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Flora of Iraq

• Cronquist in Bull. Torrey Bot. Club 70: 632 (1943)
• Cronquist in Fl. Europ. 4: 120 (1976)
• Feinbrun-Dothan, Fl. Palaest. 3: 298 (1978).
• Grierson in Fl. Turkey 5: 132 (1975)