Western Wheatgrass (Agropyron smithii); photo by Matt Lavin on Flickr (use permitted with attribution / share alike).
Official State Grass of Wyoming
Wyoming designated western wheatgrass (Pascopyrum smithii) as the official state grass in 2007 (Wyoming also recognized an official state shrub in 2016). All State Grasses & Plants
A dominant species in the Central and Northern Great Plains, western wheatgrass is a tough native prairie grass providing hay and pasture for wild and domestic animals.
