Emerald

This moss green moss is commonly found growing in small clumps In rainy mountain ranges, On trees, and In damp forests.
It is modest-sized, growing up to 5 inches (13 cm) tall. It forms in large clumps, and is overwhelmingly resistant.
When mature, emerald oblong capsules grow at the end of long, lime green sporophytes, eventually opening up during the mid-summer to release thousands of spores; it can cause severe allergic reactions.