We have loads of moss in our garden and grass (Oregon). I often wondered the same question. Usually when I'm removing it from my flower beds. I have yet to see any positive benefit to this kind of moss in flower beds.
"You're so right, Linda. When I first started gardening, I didn't want to plant anything that attracted bees. Now I want to attract as many of them as I can. If you observe them carefully, you will see that they are far more interested in…"