narrowleaf sword fern

Polystichum imbricans

Member of shield ferns (genus Polystichum)
shieldfern family (family Dryopteridaceae)
eupolypods i (suborder Polypodiineae)
leptosporangiate ferns (subclass Polypodiidae)
ferns (class Polypodiopsida)

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• frond 1-pinnate
• stipe base scales lanceolate, ± 2–3 mm wide
• those above proximal pinnae generally < 1 mm wide, falling early
• rare

Toxicity of christmas dagger fern (Polystichum spp.):
0 – Non-toxic.

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Chris’s observations: none

Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora