Genus Lemna, also commonly known as duckweeds, is a group of aquatic flowering plants that are known for their small size and rapid growth. These plants play an important role in aquatic ecosystems as they are a source of food for many aquatic animals. There are several synonyms for the genus Lemna, including the family name Lemnaceae and the commonly used term duckweed. Other synonyms for this genus include Wolffia and Spirodela, which are also considered to be duckweeds. While these plants may be small in size, they are crucial in maintaining the balance of aquatic ecosystems and supporting the biodiversity of our planet.