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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 Symbol: POIMI
USDA Native Status: L48 (N), CAN (N)
From the Image Gallery
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Plant Characteristics
Duration: PerennialHabit: Herb , Fern
Size Notes: Fronds up to about 20 inches long.
Bloom Information
Bloom Color: Not ApplicableBloom Notes: Non-flowering, sporulating plant.
Distribution
USA: CA , OR , WACanada: BC
Native Habitat: Base of boulders and cliff crevices in drier sites of mesic montane forests.
Web Reference
Webref 30 - Calflora (2018) CalfloraWebref 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 PlantsFNA: Find Polystichum imbricans ssp. imbricans in the Flora of North America (if available)
Google: Search Google for Polystichum imbricans ssp. imbricans
Metadata
Record Modified: 2020-10-30Research By: CBR