western sword fern

Polystichum munitum

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 ovate, ± 3(6) mm wide
• those above proximal pinnae generally > 1 mm wide, persistent
• very common

Toxicity of sword fern (Polystichum munitum):
0 – Non-toxic.

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Chris’s observations: 9 (8 are research grade)

Locations:

• Russian Ridge OSP: 2
• El Corte de Madera OSP
• Huckleberry Botanic RP
• Lake Chabot RP
• Monte Bello OSP
• Pescadero Creek CP
• Purisima Creek Redwoods OSP
• Sanborn CP

Months:

• Dec.: 1
• Jan.: 1
• Feb.: 1
• Mar.: 1
• Apr.: 1
• May: 1
• Jun.: 0
• Jul.: 1
• Aug.: 2

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

Bay Area species: iNaturalist – Calflora