⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50122677, with some changes.
This name is a synonym of Rorippa palustris var. occidentalis (S. Watson) Rollins.
The record derives from Tropicos which reports it as a synonym (record 50122677) with original publication details: Bull. Torrey Bot. Club 29(4): 235 235 1902.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:222124-2.