The moss is between two pieces of the mesh.... it's under the top/front layer. This is what holds it in place and keeps it from floating away.
Originally Posted by email@example.com
Java moss doesn't grow like normal plants. While you aren't looking the mass suddenly gets larger. Waiting and watching won't help it. Ignoring it until it's past time to trim it works best. At least for me.
That said, I don't see any moss on the screen.