elymus arenarius(n = noun.plant) european dune grass, leymus arenaria, sea lyme grass - a dune grass of the Pacific seacoast used as a sand binder;
is a kind of lyme grass

elymus, elymus canadensis, elymus caput-medusae, elymus condensatus, elymus hispidus, elymus trachycaulos, genus elymus