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: rare, vulnerable and endemic to Cornwall.
Recorded from nine 1km squares, along a short stretch of coast to the south of Land' s End, from Logan Rock to Carn L\'eas Boel.
Habitat & Ecology
On cliffs and coastal scree where it is often associated with Golden-samphire Inula
The colonies are vulnerable as the area is used frequently by climbers and walkers, and cliff subsidence does occur.
All known populations are within SSSI.
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.