greater water dock
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Caryophyllales
- family: Polygonaceae
- genus: Rumex
- species: Rumex orbiculatus
- Wasaga Beach
Ontario
Canada- Danbury
- Litchfield
- Orange
- Oxford
- Waterbury
Connecticut- Richmond
Illinois- North Plymouth
- Plymouth
Massachusetts- Haslett
Michigan- Baker
Montana- Pine Plains
New York- Genoa City
- Kenosha
- Richland Center
Wisconsin
United States