Carex scirpoidea var. scirpiformis (Mackenzie) O'Neill & Duman

Carex scirpoidea var. scirpiformis (Mackenzie) O'Neill & Duman is a synonym sensu FNA Ed. Comm., 2002a of:

Carex scirpoidea Michaux subsp. scirpoidea, an accepted subspecies name sensu FNA Ed. Comm., 2002a.