Noun: threadleaf groundsel
- Bluish-green bushy plant with woolly white covering, bearing branched clusters of yellow flower heads; found in southwestern United States; toxic to livestock
"Ranchers carefully removed threadleaf groundsel from their pastures";
- Senecio flaccidus
Derived forms: threadleaf groundsels
Type of: weed
Part of: genus Senecio, Senecio
Encyclopedia: Threadleaf groundsel