Common name: Bordered Filmy Fern
Hymenophyllum marginatum Hook. & Grev. APNI*
Synonyms: Craspedophyllum marginatum (Hook. & Grev.) Copel. APNI*
Pachyloma marginatum (Hook. & Grev.) Bosch APNI*
Description: Rhizome long-creeping, filiform, black or dark brown.
Fronds to 3.5 cm high and 2.5 cm wide; stipe dark, not winged, with a tuft of reddish brown hairs at the base; lamina simple or once forked (rarely forked 2 or 3 times), glabrous, light green, the margins with a black band 1 or 2 cells deep, not toothed.
Sori marginal, solitary at apex of frond or of each lobe; involucre ± circular or ovate, 1–2 mm long, the marginal black band 2 or 3 cells deep; receptacle cylindrical, included within the involucre.
Distribution and occurrence: Grows on rocks in rainforest, usually near creeks or waterfalls.
NSW subdivisions: CC, NT, CT
Other Australian states: Qld Tas.
Text by Peter G. Wilson
Taxon concept: Flora of NSW 1 (1990)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.