tall groundsel
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Senecio
- species: Senecio hydrophiloides
Columbia Falls
Montana- Fruitdale
- Grants Pass
- Lakeview
Oregon- Waitsburg
- White Salmon
Washington
United States