Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . When going to the landfill in Calhoun County, I pass through an area with extremely sandy soils. The roadsides are practically covered with a particular lichen we’ve always called reindeer moss. However, lichens are not mosses, which are in the plant kingdom, but are placed in the Kingdom Fungi. A lichen is an example of a mutualistic relationship between a fungus and an alga or cyanobacteria. The fungus makes up the