Carex canescens var. brunnescens (Persoon) W.D.J. Koch

Carex canescens var. brunnescens (Persoon) W.D.J. Koch is a synonym sensu FNA Ed. Comm., 2002a of:

Carex brunnescens (Persoon) Poiret subsp. brunnescens, an accepted subspecies name sensu FNA Ed. Comm., 2002a.