Nasturtium sinuatum var. calycinum (Engelmann ex Hayden) S. Watson

Nasturtium sinuatum var. calycinum (Engelmann ex Hayden) S. Watson is a synonym sensu FNA Ed. Comm., 2010 of:

Rorippa calycina (Engelmann ex Hayden) Rydberg, an accepted species name sensu FNA Ed. Comm., 2010.