Golden hair lichen  (Teloschistes flavicans)

For more on this species in Wales see: Wolseley, P. & May, P.J. (1997). Resurvey and monitoring of T. flavicans in Pembrokeshire. Countryside Council for Wales Sea Empress Contract Report 237. Available on-line at:
http://www.ccw.gov.uk/Images_Client/Reports/Pr1dc6~1.pdf

For more on British lichens see: Dobson, F. (2000) Lichens. An illustrated guide to the British species. The Richmond Publishing Co. Ltd., Slough.