Cyclachaena Fresenius.
A monotypic genus, a perennial herb, of North America. Cyclachaena is not closely related to Iva and warrants recognition as a separate genus, but, contrary to the treatment by Panero in Anderberg et al. (2007), Cyclachaena should not be merged with Euphosyne (Tomasello et al. 2019).
Ref: Anderberg et al. (2007) In Kadereit & Jeffrey (2007); Cronquist (1980); Strother (2006hh) In Flora of North America Editorial Committee (2006b); Tomasello et al. (2019). Show full citations.
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