Small epiphytic ferns. Rhizome creeping, thread-like. Lamina irregularly pinnate or lobed, veins in ultimate segments branching several times. Sori marginal on pinnae; indusium tubular. Receptacle fine, projecting from indusium. Sporangia large.
About 15 species from temperate regions of the Southern Hemisphere; 1 species in Australia.
Recently expanded to include some species previously included in Trichomanes L. (Ebihara et al. 2006)
Source:
Entwisle, T.J. (1994). Ferns and allied plants (Psilophyta, Lycopodiophyta, Polypodiophyta). In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 13–111. Inkata Press, Melbourne.
