coastal jointweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Caryophyllales
- family: Polygonaceae
- genus: Polygonella
- species: Polygonella articulata
Fort-Coulonge- Labelle
- Neuville
- Shannon
Quebec
Canada
Bourbonnais- Bradley
Illinois- Gary
Indiana- Hampton Falls
- Seabrook
New Hampshire- Antigo
Wisconsin
United States