⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2646251, and has not been changed.
This name is a synonym of Boechera spatifolia .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Fl. Rocky Mts. 361 1917.