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Ageratina Spach. Milk-poison, White Snakeroot.

Key to Ageratina

A genus of about 250-290 species, American. The separation of Ageratina from Eupatorium is clearly warranted, on morphological, karyological, and molecular grounds.

Ref: Clewell & Wooten (1971); Cronquist (1980); Lamont (2018); Nesom (2006mm) In Flora of North America Editorial Committee (2006c). Show full citations.

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

image of plant© Richard & Teresa Ware | Ageratina altissima CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Gary P. Fleming | Ageratina aromatica | Original Image ⭷
image of plant© Bruce Sorrie | Ageratina roanensis | Original Image ⭷
image of plant© Richard & Teresa Ware | Ageratina altissima CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Erik Danielson | Ageratina altissima source | Original Image ⭷
image of plant© Alan Weakley | Ageratina roanensis source | Original Image ⭷
image of plant© Sunny Fleming, some rights reserved (CC BY-NC), uploaded by Sunny Fleming | Ageratina luciae-brauniae source | Original Image ⭷
image of plant© Gary P. Fleming | Ageratina aromatica | Original Image ⭷
image of plant© Alan Weakley | Ageratina havanensis source | Original Image ⭷

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