⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2646290, and has not been changed.

Arabis suffrutescens var. horizontalis (Greene) Rollins is a synonym of Boechera horizontalis (Greene) Windham & Al-Shehbaz

This name is a synonym of Boechera horizontalis (Greene) Windham & Al-Shehbaz.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Res. Stud. State Coll. Wash. 4: 50 1936.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:17263-2.