annual marsh elder
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Iva
- species: Iva annua
Mobile
Alabama- Beloit
- Burlington
- Emporia
- Eureka
Kansas- Thayer
Missouri- Pinehurst
Texas- Gainesville
- Haymarket
Virginia
United States