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
This species favours acidic saxicolous substrates and has recently (2000) been recorded from the granite tors on Bodmin Moor. Elsewhere in Britain it occurs on Cox Tor and White Tor in South Devon and in Co. Kerry, Ireland. Last century it was also recorded from Herefordshire and Merioneth. At present there are no apparent threats to this species and the area in which it occurs is owned and managed 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.