Description: A tall, robust fern of fens and bogs, especially frequent in the west. It has declined considerably in the east because of of habitat destruction (eg the bogs around Donaghadee were formerly a good area for this plant).

All names: Osmunda regalis L.

Distribution Map from NBN: Osmunda regalis at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Osmunda regalis at iNaturalist World Species Observations database.