Polystichum silvaticum Diels

Rhizome slender, erect, clad in linear-to ovate-attenuate dark to pale brown paleae up to 7 mm. long; stipites few, clustered. Stipes slender, pale brown, 6-20 cm. × c. 1 mm., ± clad in spreading pale to dark brown or ferruginous ovate-lanceolate paleae, c. 5 mm. long, ± hairy. Rhachis slender, grooved, paleate, with numerous rather distant pinnae. Lamina 10-40-(60) × 5-12-(15) cm., lanceolate-oblong, acuminate, thin, firm, bipinnate. Larger pinnae 3-12 × 1-2 cm., about lanceolate, acuminate, rather distant to approximate. Pinnules about ovate-lanceolate, up to 15 mm. long, deeply and sharply toothed; lower very shortly stalked, upper decurrent, sts confluent. Sori up to 8 in two rows near mid-vein, c. 0·5 mm. diam.; indusium very rarely present.