As classified in WFO snapshot
December 2022
Warning: older classification
subspecies
Potamogeton fluitans subsp. petiolaris
(Nyman) Cif. & Giacom.
This subspecies name was first published in Nomencl. Fl. Ital. 1: 14 (1950)
This subspecies name has been reclassified since this snapshot. Its current preferred usage is a synonym .