Northern Prairie Wildlife Research Center
Western Wetland Flora
Field Office Guide to Plant Species
Giant Chain fern
Woodwardia fimbriata J.E. Smith
- Family: Fern (Polypodiaceae)
- Spores: May-June
- Field Marks: This fern is recognized by its large pinnate-pinnatifid leaves and its elongated sori borne in two rows that parallel the vein.
- Habitat: Along streams, moist woods, bogs, springs.
- Habit: Perennial fern with a stout, woody, shiny, brown rhizome.
- Stems: All underground as rhizomes.
- Leaves: Upright, up to 9 feet tall, often forming a circle, pinnately divided, with each segment further deeply divided, the segments pointed at the tip, with minutely spiny teeth,
smooth or with resin glands.
- Sori: Elongated, borne in 2 rows, 1 on either side of the vein.
Previous Species -- Hairy Water Fern
Return to Species List -- Group 1