Potamogeton epihydrus subsp. nuttallii (Chamisso & Schlechtendal) Calder & Roy L. Taylor

Potamogeton epihydrus subsp. nuttallii (Chamisso & Schlechtendal) Calder & Roy L. Taylor is a synonym sensu FNA Ed. Comm., 2000 of:

Potamogeton epihydrus Rafinesque, an accepted species name sensu FNA Ed. Comm., 2000.