giant chain fern
Woodwardia fimbriata Sm.

Woodwardia fimbriata, known as giant chain fern, is an evergreen perennial fern in the family Blechnaceae. It is native to western North America, ranging from British Columbia through California into Baja California.
Description
Woodwardia fimbriata is a member of the Blechnaceae family and is part of the eupolypods II clade in the order Polypodiales. It is found in regions including British Columbia, Arizona, California, Mexico Northwest, Nevada, Oregon, and Washington. This fern species was first described in 1818 and is characterized by its persistent fronds and distinctive appearance.
Other common names
giant chain ferngiant chainfern
Distribution
British Columbia · Arizona · California · Mexico Northwest · Nevada · Oregon · Washington
Synonyms
Diplazium biserratumWoodwardia chamissoiWoodwardia paradoxaWoodwardia biserrataWoodwardia fimbriata f. ramosaWoodwardia spinulosa f. ramosa

