seaside primrose-willow
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Myrtales
- family: Onagraceae
- genus: Ludwigia
- species: Ludwigia maritima
- Dauphin Island
- Mobile
Alabama- Cairo
Georgia- Gulf Park Estates
- Pearlington
Mississippi
United States