Water star grass is a type of aquatic plant that is widely known for its attractive star-shaped leaves. This plant also goes by many other names, including star grass, dwarf water lettuce, water poppy, water clover, and water snowflake. Each of these names refers to the same plant species, which typically grows in shallow streams, marshes, and ponds. Some other synonyms for water star grass may include water pennywort, marsh marigold, water shamrock, and water buttercup. These names reflect the plant's resemblance to other common flora. Regardless of what you choose to call it, water star grass is an excellent addition to any aquatic garden or water feature.