Original identification: Zannichellia palustris
Current identification: Zannichellia palustris
Photographer: Gerald D. Carr
Date Photographed: October 8, 2015
Location: U.S.A., Oregon, Deschutes County: Deschutes River, ca. 0.25 mi. downstream (NW) of Harper Bridge on Spring River Rd. (CR 40), Sunriver.
Elevation: 4162 ft.
Coordinates: 43.86476° N, 121.45586° W