| Scientific Name | Potamogeton amplifolius Tuck. |
| Family | Potamogetonaceae |
| Common Names | large-leaved or broad-leaved pondweed |
| Eastern Washington | Native |
| Synonyms | None |
| Conservation Status | |
| Notes |
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NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011 
NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011 
NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011 
NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011 
NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011 
NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011 
NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011 
NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011 
NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011 
NE edge of S. Twin Lake W of Inchelium, WA; N 48.270723 W 118.377055 – Ferry Co. – 9/21/2011
