Gaylussacia mosieri, the hirsute huckleberry or woolly huckleberry, is a plant species native to the coastal plains of the southeastern United States (Louisiana, Mississippi, Alabama, Georgia, Florida). Gaylussacia mosieri is a shrub up to 150 cm (5 feet) tall, sometimes forming small colonies. Shoots are coveerd with reddish hairs. Flowers are in groups of 4-8, white, or pink. Fruits are black, sweet and juicy. The species grows in swamps and marshes.