| wheatgrass | (n) a grass of the genus Agropyron, Syn. wheat-grass |
| bearded wheatgrass | (n) a wheatgrass with straight terminal awns on the flowering glumes, Syn. Agropyron subsecundum |
| crested wheatgrass | (n) Eurasian grass grown in United States great plains area for forage and erosion control, Syn. fairway crested wheat grass, Agropyron cristatum, crested wheat grass |
| intermediate wheatgrass | (n) Asiatic grass introduced into United States rangelands for pasture and fodder, Syn. Elymus hispidus, Agropyron intermedium |
| slender wheatgrass | (n) North American grass cultivated in western United States as excellent forage crop, Syn. Agropyron trachycaulum, Elymus trachycaulos, Agropyron pauciflorum |
| western wheatgrass | (n) valuable forage grass of western United States, Syn. Agropyron smithii, bluestem wheatgrass |