Leaves monomorphic, green through winter, 25–90 × 8–30 cm. Petiole 1/4–1/3 length of leaf, scaly at least at base; scales scattered, light-brown. Blade green to yellow-green, ovatelanceolate, pinnate-pinnatifid to 2-pinnate at base, herbaceous, glandular. Pinnae ± in plane of blade, lance-oblong; basal pinnae deltate, not much reduced, basal pinnules ± same length as adjacent pinnules, basal basiscopic pinnule and basal acroscopic pinnule ± equal, pinnule margins serrate with spreading, spinelike teeth. Sori midway between midvein and margin of segments. Indusia lacking glands. 2n = 82.

Habitat: Shaded slopes and open woods
Elevation: 0–2100 m

Distribution

• Generated Map
• Legacy Map

B.C., Ariz., Calif., Oreg., Wash., Mexico in Baja California.

Discussion

Dryopteris arguta is somewhat variable. It has been suggested that more than one taxon is involved. No hybrids involving D. arguta are known.

Selected References

None.

Lower Taxa

None.