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Polystichum imbricans ssp. imbricans

Polystichum imbricans (D.C. Eaton) D.H. Wagner ssp. imbricans

Narrowleaf Swordfern, Rock Sword Fern

Dryopteridaceae (Wood Fern family)

Synonym(s): Polystichum munitum ssp. imbricans, Polystichum munitum ssp. nudatum, Polystichum munitum var. imbricans


USDA Native Status: L48 (N), CAN (N)


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Plant Characteristics

Duration: Perennial
Habit: Herb , Fern
Size Notes: Fronds up to about 20 inches long.

Bloom Information

Bloom Color: Not Applicable
Bloom Notes: Non-flowering, sporulating plant.


Canada: BC
Native Habitat: Base of boulders and cliff crevices in drier sites of mesic montane forests.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Polystichum imbricans ssp. imbricans in USDA Plants
FNA: Find Polystichum imbricans ssp. imbricans in the Flora of North America (if available)
Google: Search Google for Polystichum imbricans ssp. imbricans


Record Modified: 2020-10-30
Research By: CBR

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