The Difference Between Lichens and Mosses
Both mosses and lichens are cryptogams, which means that they reproduce through spores but without seeds or flowers, and both are non-vascular plants (see below).
Moss
Lichen made up of
While they may often appear together, are frequently mistaken for each other, and are sometimes named ambiguously (see for example Oak Moss and Reindeer Moss which are in fact both lichens) they are actually quite different things! Both lichen and moss can grow on rocks, trees, plants and the ground, and both have previously been used as dyes, as food for animals, in medicines such as antibiotics, and in religious practices.