Ammophila breviligulata, commonly known as the beach grass, is a perennial grass species native to coastal regions of North America. It plays a crucial role in stabilizing sand dunes due to its extensive root system, which helps prevent erosion and maintain the integrity of coastal ecosystems. This grass typically grows in clumps and can reach heights of 1 to 3 feet. It thrives in sandy soils and is adapted to harsh conditions, including salt spray and shifting sands. Ammophila breviligulata is also important for wildlife, providing habitat and food for various species in coastal environments.