Delicate pale-green fronds on wiry black stalks. Segments are fan-shaped, the outer margin curved, deep-cut or entire.
Parallel, linear sori covered by small membraneous lobes. Shortly creeping rhyzome covered with narrow brown scales. Frost-tender.
Coastal, native in West of Ireland, moist calcareous rock-crevices Co. Clare to Donegal. Can be locally frequent in grikes on limestone pavements in the Burren and on Aran Islands.
Occasionally recorded as garden escape in sheltered areas.
Maidenhair Fern. The Burren, Co.Clare. May 2008