Characteristic : The rhizome is thin and long and crawls to the side with sparse leaves. The scale is brown and membranous. The base is circular but it gets narrow in the upper side. It is simple leaf. The trophophyll is circular or oval, the tip is round and dull on the edge and spreads to the both side of the rhizome. Petiole has round tip and narrow bottom. Midrib is embossed and has sori on the both side. It usually grows near the beach and on the rock or old tree.
Where can you see this plant in Dongbaekdongsan?
In the forest on the tree skin where they don’t get much sunlight.