⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-292761, with some changes.
This name is a synonym of Sagittaria rigida Pursh.
The record derives from WCSP which reports it as a synonym (record 292761) with original publication details: Fl. New York 2: 259 1847.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:225350-2.