A classic "pixie-cup" type with abruptly expanded, regular, goblet-shaped scyphi. The entirely farinose-sorediate podetia with the absence of cortication is characteristic of this species. It is often found with mosses associated in old walls, rotting wood and disturbed ground

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