Baeomyces rufus (Huds.) Rebent.
Thallus of minute overlapping squamules, mainly light green with white and pink tones. If sorediate it has a granular appearance. Apothecia variable but usually with pink tones, on short stems to almost sessile. Common on peaty soil and sheltered crevices
Smith et al. editors (2009) The Lichens of Great Britain and Ireland
Dobson (2018) Lichens: an Illustrated Guide to the British and Irish Species