Parthenium Linnaeus. Wild Quinine.
Key to Parthenium
A genus of about 16 species, herbs and shrubs, of North America and the West Indies. The genus should be divided, based on multiple lines of evidence.
Ref: Cronquist (1980); Mears (1975); Rollins (1950); Strother (2006ff) In Flora of North America Editorial Committee (2006c). Show full citations.
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