Chain Fern (Woodwardia fimbriata) If you see a chain fern, look around. It is almost always near running water. Tbey’re big for ferns, sometimes reaching 6 feet long, and their flat, double-cut fronds are distinctive.
Field ID Tips · Flat, double-cut fronds. · Large spores on the bottom of some fronds. · Often found near (or standing in) running water. Links: CalPhotos Wikipedia Mountain Home to West Point Ferns	Chain fern has a distinctive flat double-cut frond, bigger than most other ferns. Large spores on the underside of the fronds line up like rows of soldiers. Chain ferns often overhang running water.