Asplenium contiguum  

Rhizomes long creeping, 3-5 mm in diam. close with scale; scale linear-lanceolate, entire, up to 5 mm long by 0.5-0.9 mm Stipes 12-18 cm long, 1 mm in diam., cover with filliform brown scale, not polish, grooved on adaxial side. Laminae simply pinnate, ovate or oblong lanceolate in outline, broadest near middle, base slightly reduced, papery, 21-33 cm long, 8-10 cm wide; pinnae 15-20 pairs, 4.7-5 cm long, 1-1.2 cm wide, lanceolate, falcate, shortly stalked, reducing in size upward, lower base narrowly cuneate, upper broadly cuneate or round, narrow into long acuminate apex, margin irregularly deeply lobe; vein scaly beneath, distinct on lower surface and indistinct above, fork reaching to margin. Sori 6-7 mm long, forming parallel row near costa.