Sea Lyme Grass, also known as Elymus athericus or European dune grass, is a type of plant that can be found in coastal areas. It is a perennial grass that grows in sandy soil and is known for its ability to thrive in harsh coastal conditions. Some synonyms for Sea Lyme Grass include beachgrass, saltgrass, sand dune grass, and American dune grass. These synonyms are all used to refer to different types of grasses that are similar in appearance and growing conditions to Sea Lyme Grass. They are all hardy plants that are important for stabilizing sandy coastal environments and protecting against erosion.