Cladonia cervicornis (Ach.) Flot.
Forms cushions of small squamules, often notched with a conspicuous white under surface, on coastal heaths and dunes and on acid soils and peat. The podetia have short stalks and may form proliferating tiers (subspecies verticillata
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