Brownfern

This light brown moss is commonly found blanketing giant areas On trees.
It is colossal, growing up to 1.2 feet (36 cm) tall. It forms in thin clumps, and is extremely flexible.
When mature, emerald spiral capsules grow at the end of elongated, lime green sporophytes, eventually opening up during the early autumn to release dozens of spores; it does not cause any allergic reactions.