The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.
Range & Status
Native. Circumpolar Boreo-arctic Montane species. Considered native in disjunct sites in Cornwall, Wales, northern England and western Ireland, and as an introduction elsewhere.
As a native in two distinct areas in Cornwall: on the west coast of The Lizard (SW61) and on Goonhilly Downs (SW71 and SW72); and around Tintagel on the north-east coast (SX08 and SX09). Occasionally occurs inland as a garden outcast.
Habitat & Ecology
On The Lizard it occurs in cliff-slopes and damp depressions near rocky outcrops and near Tintagel it grows by seepages on cliff-slopes.
The Lizard sites are protected. The Tintagel sites are owned by the National Trust.
I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.
The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.