Life … Fungi Including Lichens Sac Fungi Common Lichens Peltigerales Coccocarpiaceae Spilonema Lichen genus Spilonema Lichen Spilonema Children Rock Hairball Lichen native Matted Hairball Lichen Most observed native spilonema lichen All Native to the US, by observations. Rock Hairball Lichen Spilonema revertens 111 observations Close