Woodwardia fimbriata, known by the common name giant chain fern, is native to western North America from British Columbia through California, including the Sierra Nevada, into Baja California. It grows in coniferous forests and other moist wooded habitat.

W. fimbriata has very long fronds, each reaching 1 to 3 meters in length. Its sori are short but broad and are arranged in neat lines, the characteristic that gives the chain ferns their name. The chain shape is visible on both sides of each leaflet.

Observations Map

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