Agropyron tenerum subsp. majus (Vasey) Piper

Agropyron tenerum subsp. majus (Vasey) Piper is a synonym sensu FNA Ed. Comm., 2007 of:

Elymus trachycaulus (Link) Gould ex Shinners subsp. trachycaulus, an accepted subspecies name sensu FNA Ed. Comm., 2007.