A rolling stone gathers no moss
One handful of moss has the same leaf surface as a normal tree.
They are the first plants to grow on rocky land and by breaking down rocks and soil they help create an environment for regular plants to grow.
They absorb moisture, acting like sponges which helps prevent soil erosion.
Its lifespan is usually two to 10 years depending on the species.
Since moss only grows in a clean environment, they are a very good indicator of pollution in any area.