Kochia /ˈkoʊkiə/ is a synonym of the genus Bassia, that belongs to the subfamily Camphorosmoideae of family Amaranthaceae.
Two American species traditionally included in Kochia are now in genus Neokochia: Neokochia americana and Neokochia californica. (Further information on the Camphorosmoideae page)
References
Kochia Wikipedia(Text) CC BY-SA