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. Submediterranean-Subatlantic species. Mainly a coastal species in western
England and Wales but found scattered across Ireland.
Scattered around the Cornish coast and often found in built up areas such as Hayle
(SW53) and Fowey (SX15). Rarely found inland. Formerly recorded from Tresco (SV81) on the Isles of Scilly.
Habitat & Ecology
Always found growing amongst Ivy Hedera helix subsp. hibernica , most often on walls, cliffs and Cornish Hedges. Also found on sand-dunes.
The tidying up of Ivy-clad walls, hedges and waste places, and building development.
Most sites are unprotected.
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.