Haloragaceae is a family of flowering plants commonly known as the water-milfoil family. This family includes about 6 genera and 50 species, primarily found in freshwater habitats around the world. Members of this family are often submerged aquatic plants, characterized by their finely dissected leaves and small flowers. The plants in Haloragaceae play important ecological roles, providing habitat and food for various aquatic organisms. Some species, like Myriophyllum, are popular in aquariums and water gardens due to their attractive appearance and ability to improve water quality by absorbing nutrients.