Species

Polystichum imbricans (Narrowleaf sword fern)

Polystichum imbricans. Photo: (c) Barbara L. Wilson, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

Polystichum imbricans is a species of fern known by the common names narrowleaf swordfern and imbricate sword fern. It is native to western North America from British Columbia to southern California, where it grows in rocky habitat in coastal and inland mountain ranges and foothills. This fern produces several erect linear or lance-shaped leaves up to 80 centimeters long. Each leaf is made up of many narrow, overlapping, sometimes twisting leaflets each 2 to 4 centimeters…

Humboldt Life
- Kingdom: Plantae (Plants)
  - Phylum: Tracheophyta (Vascular plants)
    - Class: Polypodiopsida (Ferns)
      - Subclass: Polypodiidae (Leptosporangiate ferns)
        Order: Polypodiales
        Suborder: Polypodiineae (Eupolypods i)
        Family: Dryopteridaceae (Shieldfern family)
        Subfamily: Dryopteridoideae
        Genus: Polystichum (Shield ferns)
        Species: Polystichum imbricans (Narrowleaf sword fern)
        Subspecies: Polystichum imbricans imbricans

Subtaxa

Subspecies: Polystichum imbricans imbricans

Sightings

Where in Humboldt

Discussion

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