Ammophila breviligulata Fern. Ammophila breviligulata (American beachgrass or American marram grass) is a species of grass that is native to eastern North America, where it grows on sand dunes along the Atlantic Ocean and Great Lakes coasts.
Beach grass, (genus Ammophila), also called marram grass, psamma, or sand reed, genus of two species of sand-binding plants in the grass family . American beach grass (Ammophila breviligulata) grows along the Atlantic coast and in the Great Lakes region of North America.