Other maximum rooting depths in Nebraska were 1.2 m (3.9 fr) for sideoats grama, 1.2-1.4 m (3.9-4.6 ft) for little bluestem, 1.5-1.7 m (4.9-5.6 ft) for indiangrass [Sorghastnum mutans (L.) Nash], 1.5-2.1 m (4.9-6.9 ft) for big bluestem, 1.8 m (5.9 ft) for blue grama and buffalograss [Buchloe dactyloides (Nutt.) Engelm.], and 1.8-2.4 m (5.9-6.9 ft) for western wheatg rass (Agropyron smithii Rydb.).
Western wheatgrass (Agropyron smithii) proliferated in response to moderate levels of trampling as it shifted from 13.1% of total community in 1999 to becoming the dominant species at 29.6% in spring of 2000.