Richardson pondweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Alismatales
- family: Potamogetonaceae
- genus: Potamogeton
- species: Potamogeton richardsonii
Chestermere- St. Albert
- Two Hills
Alberta- Nelson
British Columbia- Yellowknife
Northwest Territories- Sault Ste. Marie
Ontario- Yorkton
Saskatchewan
Canada
East Haven- Weatogue
Connecticut- Ponderay
Idaho- Culver
Indiana- Amherst Center
- Cambridge
- Somerville
Massachusetts- Flint
- Sault Ste. Marie
- Spring Lake
Michigan- Center City
- Winona
Minnesota- Eureka
Montana- Budd Lake
New Jersey- Bottineau
North Dakota- Sandusky
Ohio- Harrisburg
- Thorndale
Pennsylvania
United States