A distinctive red fruited species with bright red apothecia which may cover the whole top of the cup. Found in a range of habitats - heaths, dunes, on rotting trees, on acid soil and soil-filled rock and wall crevices

References: 
Smith, C.W. et al. editors (2009) The Lichens of Great Britain and Irelandd
Dobson, F.S. (2018) Lichens: an Illustrated Guide to the British and Irish Species
Ahti, Stenroos & Moberg. editors (2013) Nordic Lichen Flora. Volume 5 Cladoniaceae