Yellow Moss

This yellow moss is commonly found growing in small clumps In moorlands, and On trees.
It is big, growing up to 9 inches (23 cm) tall. It forms in large clumps and they are slow to spread and grow, and is extremely robust.
When mature, emerald heart-shaped capsules grow at the end of elongated, lime green sporophytes, eventually opening up during the early winter to release millions of spores.