Perennial epiphytic or terrestrial plants. Rhizome dichotomously branched, with numerous rhizoids but no true roots. Stem undivided or dichotomously branched with simple leaves or scales. Sporangia united in a 2- or 3-chambered sporangial capsule (synangium), borne in axil of bilobed sporophyll. Only one sort of spore produced. Gametophyte colourless and minute, rarely found, associated with symbiotic fungi.
2 genera, both represented in Victoria.
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.
