Submerged aquatic annual herb, occasional in man-made trout pond with Alopecurus aequalis and Ranunculus aquatilis. Stems to 3 dm long.

• Glands at base of leaves absent 
• Peduncles short-clavate
• Spikes short-cylindric

Aff. Potamogeton foliosus Raf. 

Discover more about this species at The Jepson Herbarium.