Potamogeton pectinatus subsp. filiformis (Persoon) Hooker f.

Potamogeton pectinatus subsp. filiformis (Persoon) Hooker f. is a synonym sensu Kaplan, 2008 of:

Stuckenia filiformis (Persoon) Börner, an accepted species name sensu FNA Ed. Comm., 2000.