Sandy Island features around thirteen plant communities. At their next stop, Rudy and Jim discuss the plant life which resides here. They talk about reindeer moss, a species of lichen, and what differentiates it from a “true moss.” Oak trees, such as the Darlington oak and live oak dominate the area. Spanish moss is found to be covering these trees, but Spanish moss is not a true moss; it is an epiphyte, since it grows on other plants. American holly is a widespread species of plant throughout the Eastern U.S.