Common name(s): Small-leaf white snakeroot, Lesser snakeroot
Category: Genus Ageratina
Ageratina altissima
Common name(s): White snakeroot
Wildflowers of the National Capital Region
Discovering wildflowers in Maryland, Washington D.C., and Northern Virginia
Common name(s): Small-leaf white snakeroot, Lesser snakeroot
Common name(s): White snakeroot