Cross-leaved milkwort
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Polygalaceae
- genus: Polygala
- species: Polygala cruciata
- Dauphin Island
- Mobile
- Point Clear
Alabama- East Haven
- Poquonock Bridge
- Weatogue
- West Haven
Connecticut- Five Points
- Lake City
- Watertown
Florida- Gulf Hills
- Gulf Park Estates
- Ocean Springs
Mississippi- Folsom
- Hamilton Square
New Jersey- Hometown
Pennsylvania
United States