A genus in the class Hepatica is Riccia. Worldwide it is known as moss. Their common name is liverwort. The genus Riccia has about 200 species. 45 species of this genus have been identified in Bangladesh. Some of the species found in Bangladesh are Riccia chittagogensis, Riccia dhakensis, Riccia gangeticus, Riccia discolor, Riccia amelli, Riccia crystallina, Riccia personii etc.