Emerald

This moss green moss is commonly found growing in small clumps In bogs.
It is small, growing up to 2 inches (5 cm) tall. It forms in sparse patches and they are slow to spread and grow, and is slightly tough; it is very difficult to kill.
When mature, emerald oval-shaped capsules grow at the end of short, lime green sporophytes, eventually opening up during the late autumn to release dozens of spores; it can cause severe allergic reactions.