''Actinoseris'' is a genus of flowering plants in the

daisy family The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

described as a genus in 1970. There is only one accepted species, ''Actinoseris radiata'', native to Brazil.The Plant List, search for Actinoseris
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References

Monotypic Asteraceae genera Flora of Brazil Taxa named by Ángel Lulio Cabrera {{Asteraceae-stub