Emerald

This emerald moss is commonly found blanketing large areas On rotten logs, In rainy mountain ranges, and In bogs.
It is average-sized, growing up to 3 inches (8 cm) tall. It forms in sparse patches and they are slow to spread and grow, and is very hardy; it can easily endure flooding and draughts.
When mature, emerald oval-shaped capsules grow at the end of long, lime green sporophytes, eventually opening up during the late autumn to release thousands of spores; it can cause allergic reactions.