low water-milfoil
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Saxifragales
- family: Haloragaceae
- genus: Myriophyllum
- species: Myriophyllum humile
Central Waterford- Middlebury
- New London
- Poquonock Bridge
- Waterbury
Connecticut- Union
Maine- Salisbury
Maryland- Assonet
- Lexington
- Ludlow
- Middleborough Center
Massachusetts- Riverhead
- Sag Harbor
- Wading River
New York
United States