Carey's smartweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Caryophyllales
- family: Polygonaceae
- genus: Persicaria
- species: Persicaria careyi
Georgetown
Delaware- Amherst Center
- Belmont
Massachusetts- Menominee
Michigan- Gilmanton
New Hampshire- Cinnaminson
- Riverton
New Jersey- Borough of Bronx
New York- Macedonia
Ohio- Hometown
Pennsylvania- Providence
- Warwick
Rhode Island
United States