As classified in WFO snapshot
December 2022
Warning: older classification
subspecies
Potamogeton densus subsp. oppositifolius
(DC.) Bonnier & Layens
This subspecies name was first published in Tabl. Syn. Pl. Vasc. France : 315 (1894)
This subspecies name has been reclassified since this snapshot. Its current preferred usage is a synonym .