Carex emmonsii var. muhlenbergii (A. Gray ex Torrey) Rettig

Carex emmonsii var. muhlenbergii (A. Gray ex Torrey) Rettig is a synonym sensu FNA Ed. Comm., 2002a of:

Carex albicans Willdenow ex Sprengel var. albicans, an accepted variety name sensu FNA Ed. Comm., 2002a.