#salt marsh plant
- Baccharis halimifolia — The scientific name of a dioecious shrub in the aster family, native to the coastal areas and salt marshes of eastern and southern North America. Popularly known as groundsel bush or tree-baccharis, the plant is characterized by obovate leaves with dentate margins, resembling the genus Halimus, and by the tufts of silky white down produced by female inflorescences during autumn; in Europe and Australia, it is monitored as an invasive species dangerous to local biodiversity.