| leymus | (n) genus that in some classifications overlaps the genus Elymus, Syn. genus Leymus |
| giant ryegrass | (n) stout perennial grass of western North America, Syn. Leymus condensatus, Elymus condensatus |
| sea lyme grass | (n) a dune grass of the Pacific seacoast used as a sand binder, Syn. European dune grass, Elymus arenarius, Leymus arenaria |
| Leymus | prop. n. A genus that in some classifications overlaps the genus |