*Tanacetum Linnaeus. Tansy.
A genus of about 150 species, herbs, of north temperate regions, especially the Old World.
Ref: Arriagada & Miller (1997); Cronquist (1980); Watson (2006a) In Flora of North America Editorial Committee (2006a). Show full citations.
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© Bruce A. Sorrie | 
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© Karim Haddad, some rights reserved (CC BY), uploaded by Karim Haddad | Tanacetum balsamita source | Original Image ⭷