Rhizome erect to short-creeping. Fronds 0.1-0.5 mm apart; base glabrous. Stipe absent. Lamina (8-) 17-46 (-88) mm long, 1-4 mm wide, thinly coriaceous, glabrous or hairy; hairs 0.1-0.3 mm long, whitish to pale red-brown, catenate, simple, glandular and eglandular, and/or similar-coloured, forked, on margins and abaxially on midvein; veins usually not visible in transmitted light, with conspicuous hydathodes. Sori rounded to oblong, (1-) 3-14 (-25) pairs in distal one-fifth to three-quarters of lamina. Sporangia glabrous; thickened annulus cells 7-10 (-14). Spores (18-) 26-35 (-46) µm diam.
Epiphytic and lithophytic on basalt, conglomerate, granite and sandstone in tropical and temperate rainforest and wet sclerophyll forest.
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