Flora of the Southeastern United States
2022 Edition

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ASTERACEAE

Asteraceae Martinov. Aster Family.

Key to Asteraceae

A family of about 1500-1700 genera and 25,000-35,000 species, herbs, shrubs, trees, and lianas, cosmopolitan in distribution.

ID notes: {define liguliflorous, discoid, disciform, radiant, and radiate heads; define various pappus characters. define calyculus. define palea and phyllary}

Ref: Barkley, Brouillet, & Strother (2006) In Flora of North America Editorial Committee (2006a); Cronquist (1980). Show full citations.

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Hover over a shape, letter, icon, or arrow on the map to see what it means. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.