1: any of numerous complex plantlike organisms made up of an alga or a cyanobacterium and a fungus growing in symbioticassociation on a solid surface (such as on a rock or the bark of trees)
lichen
noun
li·chen | \ ˈlī-kən , British also ˈli-chən\
1: any of numerous complex plantlike organisms made up of an alga or a cyanobacterium and a fungus growing in symbioticassociation on a solid surface (such as on a rock or the bark of trees)
