Riccia is a genus of aquatic liverworts, which are simple, non-vascular plants. These plants typically grow in moist environments, often found in freshwater habitats like ponds and streams. They have a distinctive, flat, and ribbon-like appearance, which helps them absorb water and nutrients directly from their surroundings. Riccia plays an important role in its ecosystem by providing habitat and food for various aquatic organisms. Additionally, it can help improve water quality by absorbing excess nutrients and stabilizing sediments. This makes riccia beneficial for maintaining healthy aquatic ecosystems.