Carex nigromarginata var. muhlenbergii (A. Gray ex Torrey) Gleason

Carex nigromarginata var. muhlenbergii (A. Gray ex Torrey) Gleason is a synonym sensu TROPICOS of:

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