Species › Plants › Western Sword Fern

Western Sword Fern

Polystichum munitum

CommonPlant
Illustration of Western Sword Fern (Polystichum munitum)

Western Sword Fern is the most abundant and characteristic fern of Pacific Northwest forests, forming spectacular vase-shaped clumps of deep green, sword-like fronds that carpet the forest floor. A single large plant can have over 100 fronds. It provides important year-round cover for salamanders, small mammals, and ground-nesting birds.

Habitat
Pacific Northwest coniferous and mixed forests from Alaska to California
Diet
Dense fronds provide year-round ground cover and shelter for wildlife
How common
Common

Best time to see a Western Sword Fern

The best time to see a Western Sword Fern is February–July, when about 61% of U.S. sightings happen, based on 40,118 research-grade iNaturalist observations.

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