| any of several erect, strongly rooted grasses, esp. of the genus Ammophila, common on exposed sandy shores and dunes. |

| beach grass n. A perennial grass of the genus Ammophila, especially A. breviligulata, native to sandy shores along the Great Lakes and Atlantic coast of North America, and having spikelets in long, erect, crowded clusters. It is commonly planted as a sand binder to stabilize dunes and combat beach erosion. Also called marram. |
beach grass
any of the sand-binding plants in the genus Ammophila (family Poaceae). These coarse, perennial grasses are about one metre (about three feet) tall and grow on sandy coasts of temperate Europe, North America, and northern Africa
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