⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2871167, with some changes.

Nasturtium asperum var. laevigatum (Willd.) E.Fourn. is a synonym of Sisymbrium laevigatum Willd.

This name is a synonym of Sisymbrium laevigatum Willd..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Soc. Bot. France 12: 410 1865.