⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-292594, with some changes.

Sagittaria heterophylla f. rigida (Pursh) S.F.Blake is a synonym of Sagittaria rigida Pursh

This name is a synonym of Sagittaria rigida Pursh.

The record derives from WCSP which reports it as a synonym (record 292594) with original publication details: Rhodora 15: 159 1913.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:225270-2.