Silvershade Moss

This silver moss is commonly found growing in tiny clumps On trees, and In marshes.
It is enormous, growing up to 1.7 feet (51 cm) tall. It forms in sparse patches are slow to spread and grow, and is very robust; it is very difficult to kill.
When mature, emerald flame-shaped capsules grow at the end of short, lime green sporophytes, eventually opening up during the late autumn to release millions of spores; it can cause severe allergic reactions.