The Family Zannichelliaceae is a group of aquatic herbs that are found in submerged or floating conditions of freshwater or brackish water. This family has a small number of members, including the genus Zannichellia. Some synonyms for Family Zannichelliaceae include the Common Horned Pondweed family, the Zannichellia family, and the Beaked Rush family. These synonyms are often used interchangeably to refer to the group of plants that share similar characteristics and habitat preferences. The Zannichelliaceae family plays an important role in the ecological functioning of freshwater and brackish waterways, providing food and habitat for a variety of aquatic organisms.