Gymnocarpium dryopteris. Oak fern.
Life-form & Growth Form:
Non-bulbous geophyte. Herbaceous perennial. Rhizome far-creeping.
Flowering period:
July and August.
Habitats:
Rocky woodland, ravines, stream banks, cliff ledges and stable block screes. Open, light textured peaty soils with high humus content, also moderate pH mineral soils.
Threats:
Peat extraction. Drainage of peatlands. Overgrazing by livestock.
Static distribution map:
