Ratibida Rafinesque. Prairie Coneflower.
A genus of about 7 species, herbs, of North America.
Key, in part, from Urbatsch & Cox (2006b).
Ref: Cronquist (1980); Richards (1968); Urbatsch & Cox (2006b) In Flora of North America Editorial Committee (2006c). Show full citations.
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© Bruce A. Sorrie | 
© Keith Bradley |