1. Saltwater Cordgrass (Spartina alterniflora): A dominant grass species that forms dense stands in the low marsh, providing habitat and food for various organisms.
2. Smooth Cordgrass (Spartina patens): Another important grass species found in the mid and upper marsh areas, tolerating higher salinity levels.
3. Black Needlerush (Juncus roemerianus): A rush-like plant that grows in the high marsh, often forming dense clumps and providing nesting sites for birds.
4. Glasswort (Salicornia virginica): A succulent plant found in the low marsh, tolerating high salinity levels and providing food for various invertebrates.