Woodsia elongata Hooker, Sp. Fil. 1: 62. 1844; Physematium elongatum (Hooker) Trevisan.

Plants 25-28 cm. Rhizomes prostrate, apex densely covered with scales; scales brown, broadly lanceolate, 4-6 mm, membranous, entire. Fronds clustered; stipe stramineous, 3-6 cm, 1-2 mm in diam., brittle, base densely covered with scales, upward and rachises densely covered with articulate hairs, and with few brown lanceolate scales; lamina 1-pinnate-pinnatifid, lanceolate, 18-22 × 2.5-4 cm, thinly herbaceous, both surfaces with sparse articulate hairs and glands, base attenuate, apex acuminate; pinnae 17-21 pairs, remote, spreading; lower pinnae shortened to deltoid-ovate to auricular lobes; middle pinnae largest, broadly lanceolate, 1.2-2 cm × 6-10 mm, base truncate, margin pinnatifid, apex obtuse; lobes 5 or 6 pairs, opposite, spreading, hemielliptic; basal lobes slightly larger, 3-5 × 1.5-3 mm, margin undulate. Sori consisting of 4-6 sporangia, terminal at vein tips, submarginal; indusia globose, thinly membranous; false indusia broadly reniform or cordate, small, membranous, remote from each other and from midvein. 2n = 82.

Rock crevices in forests; 3200-3400 m. Xizang, NW Yunnan [Bhutan, India, Myanmar, Nepal].