Range & Status
Native. An oceanic Boreo-temperate fern; confined to the hyperoceanic zone of Western Europe and Macaronesia. Found in western Britain and Ireland.
Only found on Bodmin Moor and West Penwith granite moorland areas.
Habitat & Ecology
Found amongst granite boulders, on clitter slopes and in granite tor crevices. It needs high humidity all year round.
No present ones known.
Some of the sites are owned by the National Trust and/or SSSI.