Genus Ulva comprises of several green algae species, commonly known as sea lettuces. These species are primarily found in shallow marine environments around the world. Synonyms for Genus Ulva include Enteromorpha, a genus of green macroalgae with a similar morphology, and Monostroma, another genus of green algae that is commonly found in the intertidal zone. Other synonyms for this group of algae include Prasiola, a genus of terrestrial green algae that are closely related to Ulva species, and Ulothrix, a genus of filamentous green algae that can form clumps on rocks and other surfaces in the water. These synonyms are useful for researchers and scientists to better understand the characteristics and classification of these green algae species.