⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2645605, and has not been changed.
This name is a synonym of Boechera fendleri var. spatifolia (Rydb.) Dorn.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Rhodora 43: 394 1941.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:17009-2.