Potamogeton gemmiparus (J.W. Robbins) Morong

Potamogeton gemmiparus (J.W. Robbins) Morong is a synonym sensu POWO of:

Potamogeton berchtoldii subsp. gemmiparus (J.W. Robbins) Les & Tippery, an accepted subspecies name sensu Les et al., 2009.