Flora of New Zealand Series

Sori dorsal, superficial, round, sts coalescent. Indusium reniform to absent. Sporangia us. with glandular hairs on stalks, sts setose. Spores bilateral, with winged or laminate perispore. Rhizome creeping to suberect, solenostelic to dictyostelic; paleae often with setose or glandular hairs. Stipes with two vascular strands; rhachis and costae ± setose, sts with glandular hairs. Lamina pinnate to tripinnate; veins pinnate, veinlets simple or forked. About 5 widely distributed genera.