United States, Tennessee, Hamilton, Tennessee Valley. Along right bank of Nickajack Reservoir near TRM 453; ca. 1.5 mile downstream of Williams Island and 1.0 mile S of Signal Mountain.
35.113693 -85.361144 +-707m.
Shallow water along bank of reservoir. Monoecious form of hydrilla.
Shallow water along bank of reservoir. Monoecious form of hydrilla.