⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-294832, and has not been changed.
This name is a synonym of Alisma plantago-aquatica subsp. orientale (Sam.) Sam..
The record derives from WCSP which reports it as a synonym (record 294832) with original publication details: Fl. URSS 1: 281 1934.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:58233-1.