Snakeroot, Western Boneset, Western Snakeroot
Ageratina occidentalis
Synonym: Eupatorium occidentale
- 
Two close-up side views of the inflorescence of western snakeroot in bloom at a small quarry along forest road #3512 above the Cooper Spur Ski Area on Mt. Hood........August 2, 2007.
- 
- 
Images of western boneset observed on the 3000 year old lava flows on the east side of Clear Lake, Willamette National Forest.......August 2, 2023.
This photo shows western snakeroot in bloom at a small quarry along forest road #3512 above the Cooper Spur Ski Area on Mt. Hood........August 2, 2007.
Paul Slichter