Genus Callitriche is a group of diverse aquatic plants that belong to the family Plantaginaceae. They are commonly known as water-starworts, waterwort, or riverweed. These plants are found growing in freshwater bodies like lakes, ponds, streams, and marshes, primarily in temperate and subtropical regions. They are characterized by their small size, delicate yellow-green leaves, and tiny flowers that bloom in summer and autumn. The synonyms for Genus Callitriche include Batrachium, Chona, Dichocarpum, Hippuroides, Karschia, Rhynchonella, and Sarothamnus. These synonyms are used to describe different species of water-starworts that possess distinct morphological features and geographical distribution.