Carex setacea var. ambigua (Barratt ex Boott) Fernald

Carex setacea var. ambigua (Barratt ex Boott) Fernald is a synonym sensu FNA Ed. Comm., 2002a of:

Carex annectens (E.P. Bicknell) E.P. Bicknell, an accepted species name sensu FNA Ed. Comm., 2002a.