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Rhizome erect to suberect, c. 4 mm in diameter, set with dark brown to black, lanceolate-attenuate, subentire rhizome-scales c. 3 mm long. Fronds tufted, firmly membranous, not gemmiferous; stipe atrocastaneous, nitid, less than V6 lamina length, set at first with hair-like scales; lamina linear, c. 240 x 26 mm, pinnate, lower pinnae decrescent; pinnae in up to 50 pairs, subsessile, set at 90 or more to rhachis; midpinnae linear to oblong or lanceolate, auriculate acroscopically, base cordate, overlapping rhachis, margin somewhat irregularly crenate-serrate, incisions sometimes alternating deeper and shallower, upper surface glabrous, lower surface set with minute pale or dark-tipped scales; venation obscure. Sori up to 18 per pinna, c. 2 mm long; indusium membranous, erose, c. 0.5 mm broad.
Rhizome erect to suberect, up to 4 mm in diam., with dark brown to black, lanceolate-attenuate scales, up to 3 mm long, subentire. Fronds caespitose, erect, up to 245 mm long. Stipe dark brown, glossy, up to 55 mm long, initially scaled. Lamina herbaceous, 1-pinnate, linear, up to 240 x 26 mm, with up to 50 pairs. Pinnae subsessile, linear to oblong or lanceolate, auriculate acroscopically, irregularly crenate-serrate, glabrous adaxially, sparsely scaled abaxially. Sori linear, up to 2 mm long, up to 14 pairs per pinna. Indusium membranous, erose, up to 0.5 mm wide.
Terrestrial. Rhizome shortly creeping to suberect, with blackish brown scales. Fronds tufted, strongly erect, pinnate, lamina linear-elliptic to linear-oblanceolate, ± 240 x 26 mm, glabrous adaxially, subglabrous with minute, scattered scales abaxially; pinnae roughly rectangular, somewhat falcate and angled downwards, sessile, with enlarged acroscopic lobe, margins crenate to subentire; rachis black, glossy; stipe blackish brown, glabrous at maturity. Sporangia in linear, indusiate sori borne in 7-18 pairs set at 45° angle to midrib.
Rhizome suberect. Fronds to 24 cm, erect, tufted, stipe initially scaled, lamina linear, 1-pinnate, with up to 50 pinna pairs, pinnae oblong, auriculate acroscopically, margins irregularly crenate-serrate, sparsely scaled beneath. Sori to 14 pairs per pinna, indusium erose.
