Ageratina altissima gallery
White Snakeroot Gallery
Leaf
Big Pond (Bradford Co)
by Dave Spier on 08/30/2008
Plant form & habitat
Hesston (Huntingdon Co)
by Larry Granville on 09/03/2022
Inflorescence
North Park (Allegheny Co)
by Maria G. Pavlova on 09/13/2015
Growth habit
North Park (Allegheny Co)
by Maria G. Pavlova on 09/13/2015
Flowers and leaves
North Park (Allegheny Co)
by Maria G. Pavlova on 09/13/2015
Flower corymb
North Park (Allegheny Co)
by Maria G. Pavlova on 09/13/2015
Plant in flower
North Park (Allegheny Co)
by Maria G. Pavlova on 09/13/2015
Flowers
Each flower head contains 10 to 30 florets.
Stone Valley (Huntingdon Co)
by Maria G. Pavlova on 10/02/2021
Flowers
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 10/09/2021
Blossoms and leaves
