Seneca snakeroot
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Polygalaceae
- genus: Polygala
- species: Polygala senega
Fort Saskatchewan- Red Deer
Alberta- Tobermory
Ontario
Canada
Kent
Connecticut- Gary
Indiana- Cabin John
- Chevy Chase Village
- Silver Spring
Maryland- Galena
Missouri- Great Falls
- Vienna
Virginia- Washington, D. C.
Washington, D.C.- Elkhorn
Wisconsin
United States