Common name: Alpine Filmy Fern
Hymenophyllum peltatum (Poir.) Desv. APNI*
Synonyms: Hymenophyllum unilaterale Willd. APNI*
Description: Rhizome long-creeping, branched, dark and wiry, young parts covered with brown hairs.
Fronds mostly 3–10 cm long; stipe not winged, wiry, 1–6 cm long; rachis narrowly winged; lamina 1-pinnate to 2-pinnatifid, glabrous, to 10 cm long and 0.5–1.8 cm wide, margins toothed.
Sori numerous, usually borne towards top of the frond, very shortly stalked; involucre ovate, apex often obtusely pointed; receptacle included.
Distribution and occurrence: Epiphytic or found growing on rocks, in cool-temp. rainforest and in the Kosciusko region.
NSW subdivisions: NT, ST
Other Australian states: Qld Vic. 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
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