Original identification: Potamogeton amplifolius
Current identification: Potamogeton amplifolius
Photographer: Robert L. Carr
Date Photographed: September 21, 2011
Location: U.S.A., Washington, Ferry County: NE edge of S Twin Lake, W of Inchelium.
Elevation: [not provided]
Coordinates: 48.27072° N, 118.37706° W