Spanish moss, also known as Florida Moss and Long Moss, is a unique plant that grows in the southern United States. This plant is not actually a moss but a type of air plant that grows in hanging strands from trees. It is often used in decorative arrangements and for filling pillows and mattresses. Other synonyms for Spanish moss include graybeard, southern moss, swamp moss, and tree hair. These names all refer to the distinctive appearance of the plant, with its long, gray-green strands that resemble a beard or hair. While Spanish moss may have different names, it remains an important part of the South's natural and cultural heritage.