Thrinax microcarpa is a type of palm tree that is also known by several other names. One of the most common synonyms is the Florida thatch palm, which refers to its use in creating thatched roofs. It is also sometimes called the key thatch palm, since it is native to the Florida Keys. Other synonyms include silver thatch palm, West Indian thatch palm, and thatch palm. These names all refer to the unique qualities of the plant, such as its ability to grow in sandy soil and its role in providing thatching material for homes and other structures.