Family Hydrocharidaceae is a group of aquatic plants that belongs to the order Alismatales. This family includes a number of species commonly known as tape grass or waterweed. Some of the common synonyms for Family Hydrocharidaceae include the tape-grass family, the frog's-bit family, and the musk-grass family. These plants are typically found in freshwater environments such as lakes and ponds. They are known for their ability to absorb nutrients from the water and improve water quality. Additionally, some species of Hydrocharidaceae are used in traditional medicine for various purposes. Overall, Family Hydrocharidaceae is an important group of plants in aquatic ecosystems, providing both ecological and medicinal benefits.