Sisymbrium leptophyllum (Rydberg) A. Nelson & J.F. Macbride

Sisymbrium leptophyllum (Rydberg) A. Nelson & J.F. Macbride is a synonym sensu FNA Ed. Comm., 2010 of:

Descurainia incisa (Engelmann ex A. Gray) Britton subsp. incisa, an accepted subspecies name sensu FNA Ed. Comm., 2010.