⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-309313, with some changes.
This name is a synonym of Sagittaria pygmaea Miq..
The record derives from WCSP which reports it as a synonym (record 309313) with original publication details: J. Jap. Bot. 19: 247 1943.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:431622-1.