A very small fern, moss-like in habit and easily missed.
Light-green fronds with blade irregularly divided into oblong segments. Dark veins ending before edges. Fronds 2-5cm long.
Sori enclosed by paired scales with toothed edges.
Rhizomes nearly hairless, thread-like.
Occasional in SW, rare in other parts of Ireland.
Found on trees, tree stumps and rocks in moist woodland, also
in sheltered upland crevices.
Similar: Wilsons Filmy-fern, H. wilsonii
Tunbridge Filmy-fern. Glengarriff woods. April 2008