Ferns and Fern Allies Common Name: Western Chain Fern Scientific Name: Woodwardia fimbriata Best Seen: Throughout the year Native: Yes Special Comments: Seen near the creek, chain ferns can be easily recognized by their chain of sori on the back of the leaves. Turn a leaf over and see if you see two rows of brown-looking elongated "sori" arranged end-to-end. Click picture to enlarge © 2002 "A Walk Along Old-Growth Loop." All Rights Reserved.