The following is a list of official U.S. state grass.
| class="wikitable" | class="sortable"> | |||
| State | State grass | Scientific name | Image | Year adopted |
|---|---|---|---|---|
| Alabama | None | |||
| California | Purple Needlegrass | Nassella pulchra | 2004 | |
| Colorado | Blue grama | Bouteloua gracilis | ||
| Illinois | Big Bluestem (state prairie grass) | Andropogon gerardii | ||
| Minnesota | Wild rice (state grain) | Zizania aquatica | ||
| Missouri | Big Bluestem | Andropogon gerardii | 2007 | |
| Montana | Bluebunch wheatgrass | Agropyron spicatum | ||
| Nebraska | Little bluestem | Schizachyrium scoparium (Andropogon scoparius) | ||
| Nevada | Indian ricegrass | Oryzopsis hymenoides | ||
| New Mexico | Blue grama | Bouteloua gracilis | ||
| North Dakota | Western Wheatgrass | Pascopyrum smithii (Agropyron smithii) | ||
| Oklahoma | Indian Grass | Sorghastrum nutans | ||
| South Carolina | Indian Grass | Sorghastrum nutans | 2001 | |
| South Dakota | Western Wheatgrass | Agropyron smithii | ||
| Texas | Sideoats grama | Bouteloua curtipendula | 1971 | |
| Utah | Indian ricegrass | Oryzopsis hymenoides | ||
| Washington | Bluebunch wheatgrass | Agropyron spicatum | ||
| Wyoming | Western Wheatgrass | Agropyron smithii | ||