Pteridrys australis Ching ex C.Chr. & Ching

Stipe to 50 cm long; basal scales to 15 × 1.5 mm; lamina dark olivaceous when dried, to 60 cm long; pinnae to 20 pairs, basal ones a little shorter than those next above them, narrowed at the base on the basiscopic side, middle basiscopic lobes ± elongate, stalks to 2 mm long; suprabasal pinnae sessile or nearly so, to 20 × 3.5 cm, lobed to 5 mm from costae, costules to 8 mm apart, lobes obtuse, slightly crenate distally, apices of pinnae short-to long-caudate; veins mostly once forked (twice forked on largest pinnae); a dense tuft of short hairs present on the lower surface of the base of each costa (sometimes also on the upper surface) and a few at bases of costules, slender hairs to 1 mm long ± abundant on lower surface of rachis, costae and rarely on the veins; sori terminal on acroscopic branches of veins; indusia persistent, reniform, entire, on Malesian specimens usually hairless (hairs present on those of the type).