Growing in damp, dark places, moss may represent subtle emotional growth that was incubated without much effort or intention. Associated with shady spots, moss may comment on someone with a mysterious nature. On a tree moss may comment on something that grows on you with time.... Ariadne's Book of Dream
Vision: Looking at moss: chances are good that you will receive money, maybe even a great deal of money. Sitting on a mound of moss: everything, including your health, is in the best shape ever. See Grass.
Depth Psychology: Dreaming about moss: you need not worry about money; however, your emphasis on material things needs to be changed, because it hampers your freedom and keeps other parts of your personality hidden.... Dreamers Dictionary
Dreams of moss represent that you are riding on the coattails of someone else’s glory, clinging on, attaching yourself to a project or a relationship where you may or may not be invited. Also, your dream may be telling you to watch out for hangers-on.... Strangest Dream Explanations