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DescriptionTerrestrial or epilithic ferns. Rhizome creeping or suberect to erect. Fronds monomorphic. Stipe and rhachis adaxially sulcate. Lamina pinnately compound, mostly glabrous; veins free, pinnately branched, ending short of the margin. Sori linear, borne medially along the veins or just past a fork; indusium linear to reniform, attached almost along its entire lenght, often with long marginal outgrowths.