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Rhizome short-creeping, c. 4 mm diam. Fronds to c. 60 cm long, erect. Stipes to 30 cm long, closely spaced in 2 ranks, to c. 1 cm apart. Lamina simple when young, 1-pinnate when mature. Pinnae very variable in number, width and texture, usually 1–6 (–10) pairs, c. 15–20 cm long, stalked except for 1 or 2 upper pairs which may be broadly attached and decurrent along the main rachis; terminal pinna longer; sterile pinnae commonly 1.5–2.5 cm wide; fertile pinnae c. 0.5–1.5 cm wide. Sori in a ±continuous band, between midrib and margin, 1–1.5 mm wide, closer to the margin than to the midrib in Australian specimens, occasionally submarginal; paraphyses with a series of distal cells very much shorter than the basal cells.
