Sisyrinchium idahoense var. birameum (Piper) J.K. Henry

Sisyrinchium idahoense var. birameum (Piper) J.K. Henry is a synonym sensu FNA Ed. Comm., 2002b of:

Sisyrinchium idahoense E.P. Bicknell var. idahoense, an accepted variety name sensu FNA Ed. Comm., 2002b.