⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-294820, with some changes.
This name is a synonym of Alisma plantago-aquatica subsp. plantago-aquatica .
The record derives from WCSP which reports it as a synonym (record 294820
) with original publication details: Nat. Arr. Brit. Pl. 2: 216 1821.