| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|
| Potamogetonaceae | Stuckenia filiformis var. alpina | | Calcareous or brackish waters. | NS west to AK, south to s. PA, OH, MI, WI, MN, NE, NM, AZ, and CA; e. Asia. | 
|
| Potamogetonaceae | Stuckenia filiformis var. occidentalis | | In calcareous waters. | NS west to AK, south to OH, MN, CO, UT, NV, and OR. | 
|
| Potamogetonaceae | Stuckenia pectinata | Sago-pondweed | Calcareous or brackish waters of ponds, lakes, estuaries, sounds. | The species is irregularly cosmopolitan, but more commonly encountered in the Great Lakes region. | 
|
| Potamogetonaceae | Stuckenia striata | Western Pondweed | Fresh or brackish waters. | S. TX south to sc. Mexico. | |
| Potamogetonaceae | Stuckenia vaginata | Sheathed Pondweed | Lakes. | Circumboreal, south in North America to OH, ne. IL, MN, SD, CO, UT, NV, and WA. | 
|